18786586

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{947}}^1$

素因数の和:1078

約数の個数: 32

約数和(自身を含む): 35038080

約数和(自身を除く): 16251494

約数列:

[1, 2, 7, 13, 14, 26, 91, 109, 182, 218, 763, 947, 1417, 1526, 1894, 2834, 6629, 9919, 12311, 13258, 19838, 24622, 86177, 103223, 172354, 206446, 722561, 1341899, 1445122, 2683798, 9393293, 18786586]

約数ペア:

[(1, 18786586), (2, 9393293), (7, 2683798), (13, 1445122), (14, 1341899), (26, 722561), (91, 206446), (109, 172354), (182, 103223), (218, 86177), (763, 24622), (947, 19838), (1417, 13258), (1526, 12311), (1894, 9919), (2834, 6629)]