18251018556

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1861589}}^1$

素因数の和:1861658

約数の個数: 48

約数和(自身を含む): 45869577600

約数和(自身を除く): 27618559044

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 43, 57, 76, 86, 114, 129, 172, 228, 258, 516, 817, 1634, 2451, 3268, 4902, 9804, 1861589, 3723178, 5584767, 7446356, 11169534, 22339068, 35370191, 70740382, 80048327, 106110573, 141480764, 160096654, 212221146, 240144981, 320193308, 424442292, 480289962, 960579924, 1520918213, 3041836426, 4562754639, 6083672852, 9125509278, 18251018556]

約数ペア:

[(1, 18251018556), (2, 9125509278), (3, 6083672852), (4, 4562754639), (6, 3041836426), (12, 1520918213), (19, 960579924), (38, 480289962), (43, 424442292), (57, 320193308), (76, 240144981), (86, 212221146), (114, 160096654), (129, 141480764), (172, 106110573), (228, 80048327), (258, 70740382), (516, 35370191), (817, 22339068), (1634, 11169534), (2451, 7446356), (3268, 5584767), (4902, 3723178), (9804, 1861589)]