18723510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1231}}^1$

素因数の和:1270

約数の個数: 72

約数和(自身を含む): 52756704

約数和(自身を除く): 34033194

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 169, 195, 234, 338, 390, 507, 585, 845, 1014, 1170, 1231, 1521, 1690, 2462, 2535, 3042, 3693, 5070, 6155, 7386, 7605, 11079, 12310, 15210, 16003, 18465, 22158, 32006, 36930, 48009, 55395, 80015, 96018, 110790, 144027, 160030, 208039, 240045, 288054, 416078, 480090, 624117, 720135, 1040195, 1248234, 1440270, 1872351, 2080390, 3120585, 3744702, 6241170, 9361755, 18723510]

約数ペア:

[(1, 18723510), (2, 9361755), (3, 6241170), (5, 3744702), (6, 3120585), (9, 2080390), (10, 1872351), (13, 1440270), (15, 1248234), (18, 1040195), (26, 720135), (30, 624117), (39, 480090), (45, 416078), (65, 288054), (78, 240045), (90, 208039), (117, 160030), (130, 144027), (169, 110790), (195, 96018), (234, 80015), (338, 55395), (390, 48009), (507, 36930), (585, 32006), (845, 22158), (1014, 18465), (1170, 16003), (1231, 15210), (1521, 12310), (1690, 11079), (2462, 7605), (2535, 7386), (3042, 6155), (3693, 5070)]