19972944

素因数分解:

$2^4\times 3^2\times {\mathrm{53}}^1\times {\mathrm{2617}}^1$

素因数の和:2684

約数の個数: 60

約数和(自身を含む): 56972916

約数和(自身を除く): 36999972

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 53, 72, 106, 144, 159, 212, 318, 424, 477, 636, 848, 954, 1272, 1908, 2544, 2617, 3816, 5234, 7632, 7851, 10468, 15702, 20936, 23553, 31404, 41872, 47106, 62808, 94212, 125616, 138701, 188424, 277402, 376848, 416103, 554804, 832206, 1109608, 1248309, 1664412, 2219216, 2496618, 3328824, 4993236, 6657648, 9986472, 19972944]

約数ペア:

[(1, 19972944), (2, 9986472), (3, 6657648), (4, 4993236), (6, 3328824), (8, 2496618), (9, 2219216), (12, 1664412), (16, 1248309), (18, 1109608), (24, 832206), (36, 554804), (48, 416103), (53, 376848), (72, 277402), (106, 188424), (144, 138701), (159, 125616), (212, 94212), (318, 62808), (424, 47106), (477, 41872), (636, 31404), (848, 23553), (954, 20936), (1272, 15702), (1908, 10468), (2544, 7851), (2617, 7632), (3816, 5234)]