19579376

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71983}}^1$

素因数の和:72008

約数の個数: 20

約数和(自身を含む): 40167072

約数和(自身を除く): 20587696

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 71983, 143966, 287932, 575864, 1151728, 1223711, 2447422, 4894844, 9789688, 19579376]

約数ペア:

[(1, 19579376), (2, 9789688), (4, 4894844), (8, 2447422), (16, 1223711), (17, 1151728), (34, 575864), (68, 287932), (136, 143966), (272, 71983)]