18118620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:149

約数の個数: 192

約数和(自身を含む): 63504000

約数和(自身を除く): 45385380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 29, 30, 36, 39, 45, 52, 54, 58, 60, 65, 78, 87, 89, 90, 108, 116, 117, 130, 135, 145, 156, 174, 178, 180, 195, 234, 260, 261, 267, 270, 290, 348, 351, 356, 377, 390, 435, 445, 468, 522, 534, 540, 580, 585, 702, 754, 780, 783, 801, 870, 890, 1044, 1068, 1131, 1157, 1170, 1305, 1335, 1404, 1508, 1566, 1602, 1740, 1755, 1780, 1885, 2262, 2314, 2340, 2403, 2581, 2610, 2670, 3132, 3204, 3393, 3471, 3510, 3770, 3915, 4005, 4524, 4628, 4806, 5162, 5220, 5340, 5655, 5785, 6786, 6942, 7020, 7540, 7743, 7830, 8010, 9612, 10179, 10324, 10413, 11310, 11570, 12015, 12905, 13572, 13884, 15486, 15660, 16020, 16965, 17355, 20358, 20826, 22620, 23140, 23229, 24030, 25810, 30972, 31239, 33553, 33930, 34710, 38715, 40716, 41652, 46458, 48060, 50895, 51620, 52065, 62478, 67106, 67860, 69420, 69687, 77430, 92916, 100659, 101790, 104130, 116145, 124956, 134212, 139374, 154860, 156195, 167765, 201318, 203580, 208260, 232290, 278748, 301977, 312390, 335530, 348435, 402636, 464580, 503295, 603954, 624780, 671060, 696870, 905931, 1006590, 1207908, 1393740, 1509885, 1811862, 2013180, 3019770, 3623724, 4529655, 6039540, 9059310, 18118620]

約数ペア:

[(1, 18118620), (2, 9059310), (3, 6039540), (4, 4529655), (5, 3623724), (6, 3019770), (9, 2013180), (10, 1811862), (12, 1509885), (13, 1393740), (15, 1207908), (18, 1006590), (20, 905931), (26, 696870), (27, 671060), (29, 624780), (30, 603954), (36, 503295), (39, 464580), (45, 402636), (52, 348435), (54, 335530), (58, 312390), (60, 301977), (65, 278748), (78, 232290), (87, 208260), (89, 203580), (90, 201318), (108, 167765), (116, 156195), (117, 154860), (130, 139374), (135, 134212), (145, 124956), (156, 116145), (174, 104130), (178, 101790), (180, 100659), (195, 92916), (234, 77430), (260, 69687), (261, 69420), (267, 67860), (270, 67106), (290, 62478), (348, 52065), (351, 51620), (356, 50895), (377, 48060), (390, 46458), (435, 41652), (445, 40716), (468, 38715), (522, 34710), (534, 33930), (540, 33553), (580, 31239), (585, 30972), (702, 25810), (754, 24030), (780, 23229), (783, 23140), (801, 22620), (870, 20826), (890, 20358), (1044, 17355), (1068, 16965), (1131, 16020), (1157, 15660), (1170, 15486), (1305, 13884), (1335, 13572), (1404, 12905), (1508, 12015), (1566, 11570), (1602, 11310), (1740, 10413), (1755, 10324), (1780, 10179), (1885, 9612), (2262, 8010), (2314, 7830), (2340, 7743), (2403, 7540), (2581, 7020), (2610, 6942), (2670, 6786), (3132, 5785), (3204, 5655), (3393, 5340), (3471, 5220), (3510, 5162), (3770, 4806), (3915, 4628), (4005, 4524)]