19160973

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{421}}^1$

素因数の和:829

約数の個数: 24

約数和(自身を含む): 29953560

約数和(自身を除く): 10792587

約数列:

[1, 3, 9, 13, 39, 117, 389, 421, 1167, 1263, 3501, 3789, 5057, 5473, 15171, 16419, 45513, 49257, 163769, 491307, 1473921, 2128997, 6386991, 19160973]

約数ペア:

[(1, 19160973), (3, 6386991), (9, 2128997), (13, 1473921), (39, 491307), (117, 163769), (389, 49257), (421, 45513), (1167, 16419), (1263, 15171), (3501, 5473), (3789, 5057)]