19881849

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{17579}}^1$

素因数の和:17624

約数の個数: 16

約数和(自身を含む): 29534400

約数和(自身を除く): 9652551

約数列:

[1, 3, 13, 29, 39, 87, 377, 1131, 17579, 52737, 228527, 509791, 685581, 1529373, 6627283, 19881849]

約数ペア:

[(1, 19881849), (3, 6627283), (13, 1529373), (29, 685581), (39, 509791), (87, 228527), (377, 52737), (1131, 17579)]