18400860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{677}}^1$

素因数の和:843

約数の個数: 72

約数和(自身を含む): 56268576

約数和(自身を除く): 37867716

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 151, 180, 302, 453, 604, 677, 755, 906, 1354, 1359, 1510, 1812, 2031, 2265, 2708, 2718, 3020, 3385, 4062, 4530, 5436, 6093, 6770, 6795, 8124, 9060, 10155, 12186, 13540, 13590, 20310, 24372, 27180, 30465, 40620, 60930, 102227, 121860, 204454, 306681, 408908, 511135, 613362, 920043, 1022270, 1226724, 1533405, 1840086, 2044540, 3066810, 3680172, 4600215, 6133620, 9200430, 18400860]

約数ペア:

[(1, 18400860), (2, 9200430), (3, 6133620), (4, 4600215), (5, 3680172), (6, 3066810), (9, 2044540), (10, 1840086), (12, 1533405), (15, 1226724), (18, 1022270), (20, 920043), (30, 613362), (36, 511135), (45, 408908), (60, 306681), (90, 204454), (151, 121860), (180, 102227), (302, 60930), (453, 40620), (604, 30465), (677, 27180), (755, 24372), (906, 20310), (1354, 13590), (1359, 13540), (1510, 12186), (1812, 10155), (2031, 9060), (2265, 8124), (2708, 6795), (2718, 6770), (3020, 6093), (3385, 5436), (4062, 4530)]