19352820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7867}}^1$

素因数の和:7920

約数の個数: 48

約数和(自身を含む): 55516608

約数和(自身を除く): 36163788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 7867, 15734, 23601, 31468, 39335, 47202, 78670, 94404, 118005, 157340, 236010, 322547, 472020, 645094, 967641, 1290188, 1612735, 1935282, 3225470, 3870564, 4838205, 6450940, 9676410, 19352820]

約数ペア:

[(1, 19352820), (2, 9676410), (3, 6450940), (4, 4838205), (5, 3870564), (6, 3225470), (10, 1935282), (12, 1612735), (15, 1290188), (20, 967641), (30, 645094), (41, 472020), (60, 322547), (82, 236010), (123, 157340), (164, 118005), (205, 94404), (246, 78670), (410, 47202), (492, 39335), (615, 31468), (820, 23601), (1230, 15734), (2460, 7867)]