18430853

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{431}}^1$

素因数の和:628

約数の個数: 16

約数和(自身を含む): 21772800

約数和(自身を除く): 3341947

約数列:

[1, 7, 41, 149, 287, 431, 1043, 3017, 6109, 17671, 42763, 64219, 123697, 449533, 2632979, 18430853]

約数ペア:

[(1, 18430853), (7, 2632979), (41, 449533), (149, 123697), (287, 64219), (431, 42763), (1043, 17671), (3017, 6109)]