31868396

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1619}}^1$

素因数の和:1686

約数の個数: 48

約数和(自身を含む): 68947200

約数和(自身を除く): 37078804

約数列:

[1, 2, 4, 7, 14, 19, 28, 37, 38, 74, 76, 133, 148, 259, 266, 518, 532, 703, 1036, 1406, 1619, 2812, 3238, 4921, 6476, 9842, 11333, 19684, 22666, 30761, 45332, 59903, 61522, 119806, 123044, 215327, 239612, 419321, 430654, 838642, 861308, 1138157, 1677284, 2276314, 4552628, 7967099, 15934198, 31868396]

約数ペア:

[(1, 31868396), (2, 15934198), (4, 7967099), (7, 4552628), (14, 2276314), (19, 1677284), (28, 1138157), (37, 861308), (38, 838642), (74, 430654), (76, 419321), (133, 239612), (148, 215327), (259, 123044), (266, 119806), (518, 61522), (532, 59903), (703, 45332), (1036, 30761), (1406, 22666), (1619, 19684), (2812, 11333), (3238, 9842), (4921, 6476)]