18406479

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{353}}^1$

素因数の和:567

約数の個数: 32

約数和(自身を含む): 30449664

約数和(自身を除く): 12043185

約数列:

[1, 3, 7, 13, 21, 39, 91, 191, 273, 353, 573, 1059, 1337, 2471, 2483, 4011, 4589, 7413, 7449, 13767, 17381, 32123, 52143, 67423, 96369, 202269, 471961, 876499, 1415883, 2629497, 6135493, 18406479]

約数ペア:

[(1, 18406479), (3, 6135493), (7, 2629497), (13, 1415883), (21, 876499), (39, 471961), (91, 202269), (191, 96369), (273, 67423), (353, 52143), (573, 32123), (1059, 17381), (1337, 13767), (2471, 7449), (2483, 7413), (4011, 4589)]