13489240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17749}}^1$

素因数の和:17779

約数の個数: 32

約数和(自身を含む): 31950000

約数和(自身を除く): 18460760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 17749, 35498, 70996, 88745, 141992, 177490, 337231, 354980, 674462, 709960, 1348924, 1686155, 2697848, 3372310, 6744620, 13489240]

約数ペア:

[(1, 13489240), (2, 6744620), (4, 3372310), (5, 2697848), (8, 1686155), (10, 1348924), (19, 709960), (20, 674462), (38, 354980), (40, 337231), (76, 177490), (95, 141992), (152, 88745), (190, 70996), (380, 35498), (760, 17749)]