18955167

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2647}}^1$

素因数の和:2699

約数の個数: 32

約数和(自身を含む): 32538624

約数和(自身を除く): 13583457

約数列:

[1, 3, 7, 11, 21, 31, 33, 77, 93, 217, 231, 341, 651, 1023, 2387, 2647, 7161, 7941, 18529, 29117, 55587, 82057, 87351, 203819, 246171, 574399, 611457, 902627, 1723197, 2707881, 6318389, 18955167]

約数ペア:

[(1, 18955167), (3, 6318389), (7, 2707881), (11, 1723197), (21, 902627), (31, 611457), (33, 574399), (77, 246171), (93, 203819), (217, 87351), (231, 82057), (341, 55587), (651, 29117), (1023, 18529), (2387, 7941), (2647, 7161)]