19687904

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{36191}}^1$

素因数の和:36218

約数の個数: 24

約数和(自身を含む): 41041728

約数和(自身を除く): 21353824

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 36191, 72382, 144764, 289528, 579056, 615247, 1158112, 1230494, 2460988, 4921976, 9843952, 19687904]

約数ペア:

[(1, 19687904), (2, 9843952), (4, 4921976), (8, 2460988), (16, 1230494), (17, 1158112), (32, 615247), (34, 579056), (68, 289528), (136, 144764), (272, 72382), (544, 36191)]