19908808

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{577}}^1$

素因数の和:829

約数の個数: 32

約数和(自身を含む): 39535200

約数和(自身を除く): 19626392

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 227, 454, 577, 908, 1154, 1816, 2308, 4313, 4616, 8626, 10963, 17252, 21926, 34504, 43852, 87704, 130979, 261958, 523916, 1047832, 2488601, 4977202, 9954404, 19908808]

約数ペア:

[(1, 19908808), (2, 9954404), (4, 4977202), (8, 2488601), (19, 1047832), (38, 523916), (76, 261958), (152, 130979), (227, 87704), (454, 43852), (577, 34504), (908, 21926), (1154, 17252), (1816, 10963), (2308, 8626), (4313, 4616)]