18118251

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:443

約数の個数: 24

約数和(自身を含む): 26910000

約数和(自身を除く): 8791749

約数列:

[1, 3, 9, 59, 149, 177, 229, 447, 531, 687, 1341, 2061, 8791, 13511, 26373, 34121, 40533, 79119, 102363, 121599, 307089, 2013139, 6039417, 18118251]

約数ペア:

[(1, 18118251), (3, 6039417), (9, 2013139), (59, 307089), (149, 121599), (177, 102363), (229, 79119), (447, 40533), (531, 34121), (687, 26373), (1341, 13511), (2061, 8791)]