19851419

素因数分解:

$7^2\times {\mathrm{149}}^1\times {\mathrm{2719}}^1$

素因数の和:2882

約数の個数: 12

約数和(自身を含む): 23256000

約数和(自身を除く): 3404581

約数列:

[1, 7, 49, 149, 1043, 2719, 7301, 19033, 133231, 405131, 2835917, 19851419]

約数ペア:

[(1, 19851419), (7, 2835917), (49, 405131), (149, 133231), (1043, 19033), (2719, 7301)]