19588816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2297}}^1$

素因数の和:2359

約数の個数: 40

約数和(自身を含む): 41887944

約数和(自身を除く): 22299128

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 164, 208, 328, 533, 656, 1066, 2132, 2297, 4264, 4594, 8528, 9188, 18376, 29861, 36752, 59722, 94177, 119444, 188354, 238888, 376708, 477776, 753416, 1224301, 1506832, 2448602, 4897204, 9794408, 19588816]

約数ペア:

[(1, 19588816), (2, 9794408), (4, 4897204), (8, 2448602), (13, 1506832), (16, 1224301), (26, 753416), (41, 477776), (52, 376708), (82, 238888), (104, 188354), (164, 119444), (208, 94177), (328, 59722), (533, 36752), (656, 29861), (1066, 18376), (2132, 9188), (2297, 8528), (4264, 4594)]