18897172

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{35521}}^1$

素因数の和:35551

約数の個数: 24

約数和(自身を含む): 39784640

約数和(自身を除く): 20887468

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 35521, 71042, 142084, 248647, 497294, 674899, 994588, 1349798, 2699596, 4724293, 9448586, 18897172]

約数ペア:

[(1, 18897172), (2, 9448586), (4, 4724293), (7, 2699596), (14, 1349798), (19, 994588), (28, 674899), (38, 497294), (76, 248647), (133, 142084), (266, 71042), (532, 35521)]