1999788136

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{331}}^1\times {\mathrm{20411}}^1$

素因数の和:20785

約数の個数: 32

約数和(自身を含む): 3862766880

約数和(自身を除く): 1862978744

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 331, 662, 1324, 2648, 12247, 20411, 24494, 40822, 48988, 81644, 97976, 163288, 755207, 1510414, 3020828, 6041656, 6756041, 13512082, 27024164, 54048328, 249973517, 499947034, 999894068, 1999788136]

約数ペア:

[(1, 1999788136), (2, 999894068), (4, 499947034), (8, 249973517), (37, 54048328), (74, 27024164), (148, 13512082), (296, 6756041), (331, 6041656), (662, 3020828), (1324, 1510414), (2648, 755207), (12247, 163288), (20411, 97976), (24494, 81644), (40822, 48988)]