19452420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:211

約数の個数: 192

約数和(自身を含む): 69431040

約数和(自身を除く): 49978620

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, 85, 90, 102, 108, 117, 130, 135, 153, 156, 163, 170, 180, 195, 204, 221, 234, 255, 260, 270, 306, 326, 340, 351, 390, 442, 459, 468, 489, 510, 540, 585, 612, 652, 663, 702, 765, 780, 815, 884, 918, 978, 1020, 1105, 1170, 1326, 1404, 1467, 1530, 1630, 1755, 1836, 1956, 1989, 2119, 2210, 2295, 2340, 2445, 2652, 2771, 2934, 3060, 3260, 3315, 3510, 3978, 4238, 4401, 4420, 4590, 4890, 5542, 5868, 5967, 6357, 6630, 7020, 7335, 7956, 8313, 8476, 8802, 9180, 9780, 9945, 10595, 11084, 11934, 12714, 13260, 13855, 14670, 16626, 17604, 19071, 19890, 21190, 22005, 23868, 24939, 25428, 27710, 29340, 29835, 31785, 33252, 36023, 38142, 39780, 41565, 42380, 44010, 49878, 55420, 57213, 59670, 63570, 72046, 74817, 76284, 83130, 88020, 95355, 99756, 108069, 114426, 119340, 124695, 127140, 144092, 149634, 166260, 180115, 190710, 216138, 228852, 249390, 286065, 299268, 324207, 360230, 374085, 381420, 432276, 498780, 540345, 572130, 648414, 720460, 748170, 972621, 1080690, 1144260, 1296828, 1496340, 1621035, 1945242, 2161380, 3242070, 3890484, 4863105, 6484140, 9726210, 19452420]

約数ペア:

[(1, 19452420), (2, 9726210), (3, 6484140), (4, 4863105), (5, 3890484), (6, 3242070), (9, 2161380), (10, 1945242), (12, 1621035), (13, 1496340), (15, 1296828), (17, 1144260), (18, 1080690), (20, 972621), (26, 748170), (27, 720460), (30, 648414), (34, 572130), (36, 540345), (39, 498780), (45, 432276), (51, 381420), (52, 374085), (54, 360230), (60, 324207), (65, 299268), (68, 286065), (78, 249390), (85, 228852), (90, 216138), (102, 190710), (108, 180115), (117, 166260), (130, 149634), (135, 144092), (153, 127140), (156, 124695), (163, 119340), (170, 114426), (180, 108069), (195, 99756), (204, 95355), (221, 88020), (234, 83130), (255, 76284), (260, 74817), (270, 72046), (306, 63570), (326, 59670), (340, 57213), (351, 55420), (390, 49878), (442, 44010), (459, 42380), (468, 41565), (489, 39780), (510, 38142), (540, 36023), (585, 33252), (612, 31785), (652, 29835), (663, 29340), (702, 27710), (765, 25428), (780, 24939), (815, 23868), (884, 22005), (918, 21190), (978, 19890), (1020, 19071), (1105, 17604), (1170, 16626), (1326, 14670), (1404, 13855), (1467, 13260), (1530, 12714), (1630, 11934), (1755, 11084), (1836, 10595), (1956, 9945), (1989, 9780), (2119, 9180), (2210, 8802), (2295, 8476), (2340, 8313), (2445, 7956), (2652, 7335), (2771, 7020), (2934, 6630), (3060, 6357), (3260, 5967), (3315, 5868), (3510, 5542), (3978, 4890), (4238, 4590), (4401, 4420)]