18737100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:320

約数の個数: 108

約数和(自身を含む): 59579520

約数和(自身を除く): 40842420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 109, 150, 180, 191, 218, 225, 300, 327, 382, 436, 450, 545, 573, 654, 764, 900, 955, 981, 1090, 1146, 1308, 1635, 1719, 1910, 1962, 2180, 2292, 2725, 2865, 3270, 3438, 3820, 3924, 4775, 4905, 5450, 5730, 6540, 6876, 8175, 8595, 9550, 9810, 10900, 11460, 14325, 16350, 17190, 19100, 19620, 20819, 24525, 28650, 32700, 34380, 41638, 42975, 49050, 57300, 62457, 83276, 85950, 98100, 104095, 124914, 171900, 187371, 208190, 249828, 312285, 374742, 416380, 520475, 624570, 749484, 936855, 1040950, 1249140, 1561425, 1873710, 2081900, 3122850, 3747420, 4684275, 6245700, 9368550, 18737100]

約数ペア:

[(1, 18737100), (2, 9368550), (3, 6245700), (4, 4684275), (5, 3747420), (6, 3122850), (9, 2081900), (10, 1873710), (12, 1561425), (15, 1249140), (18, 1040950), (20, 936855), (25, 749484), (30, 624570), (36, 520475), (45, 416380), (50, 374742), (60, 312285), (75, 249828), (90, 208190), (100, 187371), (109, 171900), (150, 124914), (180, 104095), (191, 98100), (218, 85950), (225, 83276), (300, 62457), (327, 57300), (382, 49050), (436, 42975), (450, 41638), (545, 34380), (573, 32700), (654, 28650), (764, 24525), (900, 20819), (955, 19620), (981, 19100), (1090, 17190), (1146, 16350), (1308, 14325), (1635, 11460), (1719, 10900), (1910, 9810), (1962, 9550), (2180, 8595), (2292, 8175), (2725, 6876), (2865, 6540), (3270, 5730), (3438, 5450), (3820, 4905), (3924, 4775)]