18930408

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{401}}^1$

素因数の和:698

約数の個数: 64

約数和(自身を含む): 54414720

約数和(自身を除く): 35484312

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 281, 401, 562, 802, 843, 1124, 1203, 1604, 1686, 1967, 2248, 2406, 2807, 3208, 3372, 3934, 4812, 5614, 5901, 6744, 7868, 8421, 9624, 11228, 11802, 15736, 16842, 22456, 23604, 33684, 47208, 67368, 112681, 225362, 338043, 450724, 676086, 788767, 901448, 1352172, 1577534, 2366301, 2704344, 3155068, 4732602, 6310136, 9465204, 18930408]

約数ペア:

[(1, 18930408), (2, 9465204), (3, 6310136), (4, 4732602), (6, 3155068), (7, 2704344), (8, 2366301), (12, 1577534), (14, 1352172), (21, 901448), (24, 788767), (28, 676086), (42, 450724), (56, 338043), (84, 225362), (168, 112681), (281, 67368), (401, 47208), (562, 33684), (802, 23604), (843, 22456), (1124, 16842), (1203, 15736), (1604, 11802), (1686, 11228), (1967, 9624), (2248, 8421), (2406, 7868), (2807, 6744), (3208, 5901), (3372, 5614), (3934, 4812)]