18685498

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:382

約数の個数: 32

約数和(自身を含む): 31610880

約数和(自身を除く): 12925382

約数列:

[1, 2, 13, 26, 31, 62, 97, 194, 239, 403, 478, 806, 1261, 2522, 3007, 3107, 6014, 6214, 7409, 14818, 23183, 39091, 46366, 78182, 96317, 192634, 301379, 602758, 718673, 1437346, 9342749, 18685498]

約数ペア:

[(1, 18685498), (2, 9342749), (13, 1437346), (26, 718673), (31, 602758), (62, 301379), (97, 192634), (194, 96317), (239, 78182), (403, 46366), (478, 39091), (806, 23183), (1261, 14818), (2522, 7409), (3007, 6214), (3107, 6014)]