18673941

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:154

約数の個数: 64

約数和(自身を含む): 32256000

約数和(自身を除く): 13582059

約数列:

[1, 3, 11, 13, 19, 29, 33, 39, 57, 79, 87, 143, 209, 237, 247, 319, 377, 429, 551, 627, 741, 869, 957, 1027, 1131, 1501, 1653, 2291, 2607, 2717, 3081, 4147, 4503, 6061, 6873, 7163, 8151, 11297, 12441, 16511, 18183, 19513, 21489, 25201, 29783, 33891, 43529, 49533, 58539, 75603, 78793, 89349, 130587, 214643, 236379, 327613, 478819, 565877, 643929, 982839, 1436457, 1697631, 6224647, 18673941]

約数ペア:

[(1, 18673941), (3, 6224647), (11, 1697631), (13, 1436457), (19, 982839), (29, 643929), (33, 565877), (39, 478819), (57, 327613), (79, 236379), (87, 214643), (143, 130587), (209, 89349), (237, 78793), (247, 75603), (319, 58539), (377, 49533), (429, 43529), (551, 33891), (627, 29783), (741, 25201), (869, 21489), (957, 19513), (1027, 18183), (1131, 16511), (1501, 12441), (1653, 11297), (2291, 8151), (2607, 7163), (2717, 6873), (3081, 6061), (4147, 4503)]