19958104

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{457}}^1$

素因数の和:619

約数の個数: 32

約数和(自身を含む): 38581920

約数和(自身を除く): 18623816

約数列:

[1, 2, 4, 8, 53, 103, 106, 206, 212, 412, 424, 457, 824, 914, 1828, 3656, 5459, 10918, 21836, 24221, 43672, 47071, 48442, 94142, 96884, 188284, 193768, 376568, 2494763, 4989526, 9979052, 19958104]

約数ペア:

[(1, 19958104), (2, 9979052), (4, 4989526), (8, 2494763), (53, 376568), (103, 193768), (106, 188284), (206, 96884), (212, 94142), (412, 48442), (424, 47071), (457, 43672), (824, 24221), (914, 21836), (1828, 10918), (3656, 5459)]