19511388640

素因数分解:

$2^5\times 5^1\times {\mathrm{419}}^1\times {\mathrm{291041}}^1$

素因数の和:291475

約数の個数: 48

約数和(自身を含む): 46205827920

約数和(自身を除く): 26694439280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 419, 838, 1676, 2095, 3352, 4190, 6704, 8380, 13408, 16760, 33520, 67040, 291041, 582082, 1164164, 1455205, 2328328, 2910410, 4656656, 5820820, 9313312, 11641640, 23283280, 46566560, 121946179, 243892358, 487784716, 609730895, 975569432, 1219461790, 1951138864, 2438923580, 3902277728, 4877847160, 9755694320, 19511388640]

約数ペア:

[(1, 19511388640), (2, 9755694320), (4, 4877847160), (5, 3902277728), (8, 2438923580), (10, 1951138864), (16, 1219461790), (20, 975569432), (32, 609730895), (40, 487784716), (80, 243892358), (160, 121946179), (419, 46566560), (838, 23283280), (1676, 11641640), (2095, 9313312), (3352, 5820820), (4190, 4656656), (6704, 2910410), (8380, 2328328), (13408, 1455205), (16760, 1164164), (33520, 582082), (67040, 291041)]