18259020

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2$

素因数の和:71

約数の個数: 216

約数和(自身を含む): 65707824

約数和(自身を除く): 47448804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 27, 30, 34, 36, 39, 45, 51, 52, 54, 60, 65, 68, 78, 81, 85, 90, 102, 108, 117, 130, 135, 153, 156, 162, 170, 180, 195, 204, 221, 234, 243, 255, 260, 270, 289, 306, 324, 340, 351, 390, 405, 442, 459, 468, 486, 510, 540, 578, 585, 612, 663, 702, 765, 780, 810, 867, 884, 918, 972, 1020, 1053, 1105, 1156, 1170, 1215, 1326, 1377, 1404, 1445, 1530, 1620, 1734, 1755, 1836, 1989, 2106, 2210, 2295, 2340, 2430, 2601, 2652, 2754, 2890, 3060, 3159, 3315, 3468, 3510, 3757, 3978, 4131, 4212, 4335, 4420, 4590, 4860, 5202, 5265, 5508, 5780, 5967, 6318, 6630, 6885, 7020, 7514, 7803, 7956, 8262, 8670, 9180, 9945, 10404, 10530, 11271, 11934, 12636, 13005, 13260, 13770, 15028, 15606, 15795, 16524, 17340, 17901, 18785, 19890, 20655, 21060, 22542, 23409, 23868, 26010, 27540, 29835, 31212, 31590, 33813, 35802, 37570, 39015, 39780, 41310, 45084, 46818, 52020, 53703, 56355, 59670, 63180, 67626, 70227, 71604, 75140, 78030, 82620, 89505, 93636, 101439, 107406, 112710, 117045, 119340, 135252, 140454, 156060, 169065, 179010, 202878, 214812, 225420, 234090, 268515, 280908, 304317, 338130, 351135, 358020, 405756, 468180, 507195, 537030, 608634, 676260, 702270, 912951, 1014390, 1074060, 1217268, 1404540, 1521585, 1825902, 2028780, 3043170, 3651804, 4564755, 6086340, 9129510, 18259020]

約数ペア:

[(1, 18259020), (2, 9129510), (3, 6086340), (4, 4564755), (5, 3651804), (6, 3043170), (9, 2028780), (10, 1825902), (12, 1521585), (13, 1404540), (15, 1217268), (17, 1074060), (18, 1014390), (20, 912951), (26, 702270), (27, 676260), (30, 608634), (34, 537030), (36, 507195), (39, 468180), (45, 405756), (51, 358020), (52, 351135), (54, 338130), (60, 304317), (65, 280908), (68, 268515), (78, 234090), (81, 225420), (85, 214812), (90, 202878), (102, 179010), (108, 169065), (117, 156060), (130, 140454), (135, 135252), (153, 119340), (156, 117045), (162, 112710), (170, 107406), (180, 101439), (195, 93636), (204, 89505), (221, 82620), (234, 78030), (243, 75140), (255, 71604), (260, 70227), (270, 67626), (289, 63180), (306, 59670), (324, 56355), (340, 53703), (351, 52020), (390, 46818), (405, 45084), (442, 41310), (459, 39780), (468, 39015), (486, 37570), (510, 35802), (540, 33813), (578, 31590), (585, 31212), (612, 29835), (663, 27540), (702, 26010), (765, 23868), (780, 23409), (810, 22542), (867, 21060), (884, 20655), (918, 19890), (972, 18785), (1020, 17901), (1053, 17340), (1105, 16524), (1156, 15795), (1170, 15606), (1215, 15028), (1326, 13770), (1377, 13260), (1404, 13005), (1445, 12636), (1530, 11934), (1620, 11271), (1734, 10530), (1755, 10404), (1836, 9945), (1989, 9180), (2106, 8670), (2210, 8262), (2295, 7956), (2340, 7803), (2430, 7514), (2601, 7020), (2652, 6885), (2754, 6630), (2890, 6318), (3060, 5967), (3159, 5780), (3315, 5508), (3468, 5265), (3510, 5202), (3757, 4860), (3978, 4590), (4131, 4420), (4212, 4335)]