19201738

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:414

約数の個数: 24

約数和(自身を含む): 30945600

約数和(自身を除く): 11743862

約数列:

[1, 2, 17, 34, 139, 239, 278, 289, 478, 578, 2363, 4063, 4726, 8126, 33221, 40171, 66442, 69071, 80342, 138142, 564757, 1129514, 9600869, 19201738]

約数ペア:

[(1, 19201738), (2, 9600869), (17, 1129514), (34, 564757), (139, 138142), (239, 80342), (278, 69071), (289, 66442), (478, 40171), (578, 33221), (2363, 8126), (4063, 4726)]