18128699405

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{691}}^1\times {\mathrm{877}}^1$

素因数の和:1797

約数の個数: 32

約数和(自身を含む): 22630990848

約数和(自身を除く): 4502291443

約数列:

[1, 5, 31, 155, 193, 691, 877, 965, 3455, 4385, 5983, 21421, 27187, 29915, 107105, 133363, 135935, 169261, 606007, 666815, 846305, 3030035, 4134253, 5247091, 18786217, 20671265, 26235455, 93931085, 116959351, 584796755, 3625739881, 18128699405]

約数ペア:

[(1, 18128699405), (5, 3625739881), (31, 584796755), (155, 116959351), (193, 93931085), (691, 26235455), (877, 20671265), (965, 18786217), (3455, 5247091), (4385, 4134253), (5983, 3030035), (21421, 846305), (27187, 666815), (29915, 606007), (107105, 169261), (133363, 135935)]