18871826

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{1423}}^1$

素因数の和:1793

約数の個数: 16

約数和(自身を含む): 29904000

約数和(自身を除く): 11032174

約数列:

[1, 2, 19, 38, 349, 698, 1423, 2846, 6631, 13262, 27037, 54074, 496627, 993254, 9435913, 18871826]

約数ペア:

[(1, 18871826), (2, 9435913), (19, 993254), (38, 496627), (349, 54074), (698, 27037), (1423, 13262), (2846, 6631)]