19808808

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1033}}^1$

素因数の和:1106

約数の個数: 64

約数和(自身を含む): 53602560

約数和(自身を除く): 33793752

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 47, 51, 68, 94, 102, 136, 141, 188, 204, 282, 376, 408, 564, 799, 1033, 1128, 1598, 2066, 2397, 3099, 3196, 4132, 4794, 6198, 6392, 8264, 9588, 12396, 17561, 19176, 24792, 35122, 48551, 52683, 70244, 97102, 105366, 140488, 145653, 194204, 210732, 291306, 388408, 421464, 582612, 825367, 1165224, 1650734, 2476101, 3301468, 4952202, 6602936, 9904404, 19808808]

約数ペア:

[(1, 19808808), (2, 9904404), (3, 6602936), (4, 4952202), (6, 3301468), (8, 2476101), (12, 1650734), (17, 1165224), (24, 825367), (34, 582612), (47, 421464), (51, 388408), (68, 291306), (94, 210732), (102, 194204), (136, 145653), (141, 140488), (188, 105366), (204, 97102), (282, 70244), (376, 52683), (408, 48551), (564, 35122), (799, 24792), (1033, 19176), (1128, 17561), (1598, 12396), (2066, 9588), (2397, 8264), (3099, 6392), (3196, 6198), (4132, 4794)]