18579660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28151}}^1$

素因数の和:28174

約数の個数: 48

約数和(自身を含む): 56754432

約数和(自身を除く): 38174772

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 28151, 56302, 84453, 112604, 140755, 168906, 281510, 309661, 337812, 422265, 563020, 619322, 844530, 928983, 1238644, 1548305, 1689060, 1857966, 3096610, 3715932, 4644915, 6193220, 9289830, 18579660]

約数ペア:

[(1, 18579660), (2, 9289830), (3, 6193220), (4, 4644915), (5, 3715932), (6, 3096610), (10, 1857966), (11, 1689060), (12, 1548305), (15, 1238644), (20, 928983), (22, 844530), (30, 619322), (33, 563020), (44, 422265), (55, 337812), (60, 309661), (66, 281510), (110, 168906), (132, 140755), (165, 112604), (220, 84453), (330, 56302), (660, 28151)]