18867788

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{1459}}^1$

素因数の和:1577

約数の個数: 24

約数和(自身を含む): 34216560

約数和(自身を除く): 15348772

約数列:

[1, 2, 4, 53, 61, 106, 122, 212, 244, 1459, 2918, 3233, 5836, 6466, 12932, 77327, 88999, 154654, 177998, 309308, 355996, 4716947, 9433894, 18867788]

約数ペア:

[(1, 18867788), (2, 9433894), (4, 4716947), (53, 355996), (61, 309308), (106, 177998), (122, 154654), (212, 88999), (244, 77327), (1459, 12932), (2918, 6466), (3233, 5836)]