18659816

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{6287}}^1$

素因数の和:6353

約数の個数: 32

約数和(自身を含む): 40746240

約数和(自身を除く): 22086424

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 6287, 12574, 25148, 44009, 50296, 88018, 176036, 333211, 352072, 666422, 1332844, 2332477, 2665688, 4664954, 9329908, 18659816]

約数ペア:

[(1, 18659816), (2, 9329908), (4, 4664954), (7, 2665688), (8, 2332477), (14, 1332844), (28, 666422), (53, 352072), (56, 333211), (106, 176036), (212, 88018), (371, 50296), (424, 44009), (742, 25148), (1484, 12574), (2968, 6287)]