18808920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4019}}^1$

素因数の和:4049

約数の個数: 96

約数和(自身を含む): 65847600

約数和(自身を除く): 47038680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4019, 4680, 8038, 12057, 16076, 20095, 24114, 32152, 36171, 40190, 48228, 52247, 60285, 72342, 80380, 96456, 104494, 120570, 144684, 156741, 160760, 180855, 208988, 241140, 261235, 289368, 313482, 361710, 417976, 470223, 482280, 522470, 626964, 723420, 783705, 940446, 1044940, 1253928, 1446840, 1567410, 1880892, 2089880, 2351115, 3134820, 3761784, 4702230, 6269640, 9404460, 18808920]

約数ペア:

[(1, 18808920), (2, 9404460), (3, 6269640), (4, 4702230), (5, 3761784), (6, 3134820), (8, 2351115), (9, 2089880), (10, 1880892), (12, 1567410), (13, 1446840), (15, 1253928), (18, 1044940), (20, 940446), (24, 783705), (26, 723420), (30, 626964), (36, 522470), (39, 482280), (40, 470223), (45, 417976), (52, 361710), (60, 313482), (65, 289368), (72, 261235), (78, 241140), (90, 208988), (104, 180855), (117, 160760), (120, 156741), (130, 144684), (156, 120570), (180, 104494), (195, 96456), (234, 80380), (260, 72342), (312, 60285), (360, 52247), (390, 48228), (468, 40190), (520, 36171), (585, 32152), (780, 24114), (936, 20095), (1170, 16076), (1560, 12057), (2340, 8038), (4019, 4680)]