18823688

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3851}}^1$

素因数の和:3917

約数の個数: 32

約数和(自身を含む): 38828160

約数和(自身を除く): 20004472

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 188, 376, 611, 1222, 2444, 3851, 4888, 7702, 15404, 30808, 50063, 100126, 180997, 200252, 361994, 400504, 723988, 1447976, 2352961, 4705922, 9411844, 18823688]

約数ペア:

[(1, 18823688), (2, 9411844), (4, 4705922), (8, 2352961), (13, 1447976), (26, 723988), (47, 400504), (52, 361994), (94, 200252), (104, 180997), (188, 100126), (376, 50063), (611, 30808), (1222, 15404), (2444, 7702), (3851, 4888)]