18428488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2243}}^1$

素因数の和:2341

約数の個数: 32

約数和(自身を含む): 37699200

約数和(自身を除く): 19270712

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 104, 158, 316, 632, 1027, 2054, 2243, 4108, 4486, 8216, 8972, 17944, 29159, 58318, 116636, 177197, 233272, 354394, 708788, 1417576, 2303561, 4607122, 9214244, 18428488]

約数ペア:

[(1, 18428488), (2, 9214244), (4, 4607122), (8, 2303561), (13, 1417576), (26, 708788), (52, 354394), (79, 233272), (104, 177197), (158, 116636), (316, 58318), (632, 29159), (1027, 17944), (2054, 8972), (2243, 8216), (4108, 4486)]