18189200

素因数分解:

$2^4\times 5^2\times {\mathrm{37}}^1\times {\mathrm{1229}}^1$

素因数の和:1284

約数の個数: 60

約数和(自身を含む): 44917140

約数和(自身を除く): 26727940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 37, 40, 50, 74, 80, 100, 148, 185, 200, 296, 370, 400, 592, 740, 925, 1229, 1480, 1850, 2458, 2960, 3700, 4916, 6145, 7400, 9832, 12290, 14800, 19664, 24580, 30725, 45473, 49160, 61450, 90946, 98320, 122900, 181892, 227365, 245800, 363784, 454730, 491600, 727568, 909460, 1136825, 1818920, 2273650, 3637840, 4547300, 9094600, 18189200]

約数ペア:

[(1, 18189200), (2, 9094600), (4, 4547300), (5, 3637840), (8, 2273650), (10, 1818920), (16, 1136825), (20, 909460), (25, 727568), (37, 491600), (40, 454730), (50, 363784), (74, 245800), (80, 227365), (100, 181892), (148, 122900), (185, 98320), (200, 90946), (296, 61450), (370, 49160), (400, 45473), (592, 30725), (740, 24580), (925, 19664), (1229, 14800), (1480, 12290), (1850, 9832), (2458, 7400), (2960, 6145), (3700, 4916)]