18886707

素因数分解:

$3^2\times 7^2\times {\mathrm{113}}^1\times {\mathrm{379}}^1$

素因数の和:512

約数の個数: 36

約数和(自身を含む): 32100120

約数和(自身を除く): 13213413

約数列:

[1, 3, 7, 9, 21, 49, 63, 113, 147, 339, 379, 441, 791, 1017, 1137, 2373, 2653, 3411, 5537, 7119, 7959, 16611, 18571, 23877, 42827, 49833, 55713, 128481, 167139, 299789, 385443, 899367, 2098523, 2698101, 6295569, 18886707]

約数ペア:

[(1, 18886707), (3, 6295569), (7, 2698101), (9, 2098523), (21, 899367), (49, 385443), (63, 299789), (113, 167139), (147, 128481), (339, 55713), (379, 49833), (441, 42827), (791, 23877), (1017, 18571), (1137, 16611), (2373, 7959), (2653, 7119), (3411, 5537)]