18933580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{239}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 42456960

約数和(自身を除く): 23523380

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 233, 239, 340, 466, 478, 932, 956, 1165, 1195, 2330, 2390, 3961, 4063, 4660, 4780, 7922, 8126, 15844, 16252, 19805, 20315, 39610, 40630, 55687, 79220, 81260, 111374, 222748, 278435, 556870, 946679, 1113740, 1893358, 3786716, 4733395, 9466790, 18933580]

約数ペア:

[(1, 18933580), (2, 9466790), (4, 4733395), (5, 3786716), (10, 1893358), (17, 1113740), (20, 946679), (34, 556870), (68, 278435), (85, 222748), (170, 111374), (233, 81260), (239, 79220), (340, 55687), (466, 40630), (478, 39610), (932, 20315), (956, 19805), (1165, 16252), (1195, 15844), (2330, 8126), (2390, 7922), (3961, 4780), (4063, 4660)]