2019181860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{18181}}^1$

素因数の和:18813

約数の個数: 72

約数和(自身を含む): 6135115896

約数和(自身を除く): 4115934036

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 617, 1234, 1851, 2468, 3085, 3702, 5553, 6170, 7404, 9255, 11106, 12340, 18181, 18510, 22212, 27765, 36362, 37020, 54543, 55530, 72724, 90905, 109086, 111060, 163629, 181810, 218172, 272715, 327258, 363620, 545430, 654516, 818145, 1090860, 1636290, 3272580, 11217677, 22435354, 33653031, 44870708, 56088385, 67306062, 100959093, 112176770, 134612124, 168265155, 201918186, 224353540, 336530310, 403836372, 504795465, 673060620, 1009590930, 2019181860]

約数ペア:

[(1, 2019181860), (2, 1009590930), (3, 673060620), (4, 504795465), (5, 403836372), (6, 336530310), (9, 224353540), (10, 201918186), (12, 168265155), (15, 134612124), (18, 112176770), (20, 100959093), (30, 67306062), (36, 56088385), (45, 44870708), (60, 33653031), (90, 22435354), (180, 11217677), (617, 3272580), (1234, 1636290), (1851, 1090860), (2468, 818145), (3085, 654516), (3702, 545430), (5553, 363620), (6170, 327258), (7404, 272715), (9255, 218172), (11106, 181810), (12340, 163629), (18181, 111060), (18510, 109086), (22212, 90905), (27765, 72724), (36362, 55530), (37020, 54543)]