19800258

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{106453}}^1$

素因数の和:106489

約数の個数: 16

約数和(自身を含む): 40878336

約数和(自身を除く): 21078078

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 106453, 212906, 319359, 638718, 3300043, 6600086, 9900129, 19800258]

約数ペア:

[(1, 19800258), (2, 9900129), (3, 6600086), (6, 3300043), (31, 638718), (62, 319359), (93, 212906), (186, 106453)]