11961820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{3539}}^1$

素因数の和:3574

約数の個数: 36

約数和(自身を含む): 27208440

約数和(自身を除く): 15246620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 3539, 7078, 14156, 17695, 35390, 46007, 70780, 92014, 184028, 230035, 460070, 598091, 920140, 1196182, 2392364, 2990455, 5980910, 11961820]

約数ペア:

[(1, 11961820), (2, 5980910), (4, 2990455), (5, 2392364), (10, 1196182), (13, 920140), (20, 598091), (26, 460070), (52, 230035), (65, 184028), (130, 92014), (169, 70780), (260, 46007), (338, 35390), (676, 17695), (845, 14156), (1690, 7078), (3380, 3539)]