19590320

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3449}}^1$

素因数の和:3533

約数の個数: 40

約数和(自身を含む): 46202400

約数和(自身を除く): 26612080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 3449, 5680, 6898, 13796, 17245, 27592, 34490, 55184, 68980, 137960, 244879, 275920, 489758, 979516, 1224395, 1959032, 2448790, 3918064, 4897580, 9795160, 19590320]

約数ペア:

[(1, 19590320), (2, 9795160), (4, 4897580), (5, 3918064), (8, 2448790), (10, 1959032), (16, 1224395), (20, 979516), (40, 489758), (71, 275920), (80, 244879), (142, 137960), (284, 68980), (355, 55184), (568, 34490), (710, 27592), (1136, 17245), (1420, 13796), (2840, 6898), (3449, 5680)]