19710904

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1259}}^1$

素因数の和:1387

約数の個数: 32

約数和(自身を含む): 39312000

約数和(自身を除く): 19601096

約数列:

[1, 2, 4, 8, 19, 38, 76, 103, 152, 206, 412, 824, 1259, 1957, 2518, 3914, 5036, 7828, 10072, 15656, 23921, 47842, 95684, 129677, 191368, 259354, 518708, 1037416, 2463863, 4927726, 9855452, 19710904]

約数ペア:

[(1, 19710904), (2, 9855452), (4, 4927726), (8, 2463863), (19, 1037416), (38, 518708), (76, 259354), (103, 191368), (152, 129677), (206, 95684), (412, 47842), (824, 23921), (1259, 15656), (1957, 10072), (2518, 7828), (3914, 5036)]