18416984

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{709}}^1$

素因数の和:923

約数の個数: 32

約数和(自身を含む): 36806400

約数和(自身を除く): 18389416

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 191, 382, 709, 764, 1418, 1528, 2836, 3247, 5672, 6494, 12053, 12988, 24106, 25976, 48212, 96424, 135419, 270838, 541676, 1083352, 2302123, 4604246, 9208492, 18416984]

約数ペア:

[(1, 18416984), (2, 9208492), (4, 4604246), (8, 2302123), (17, 1083352), (34, 541676), (68, 270838), (136, 135419), (191, 96424), (382, 48212), (709, 25976), (764, 24106), (1418, 12988), (1528, 12053), (2836, 6494), (3247, 5672)]