19192491

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:384

約数の個数: 32

約数和(自身を含む): 29680640

約数和(自身を除く): 10488149

約数列:

[1, 3, 9, 27, 43, 61, 129, 183, 271, 387, 549, 813, 1161, 1647, 2439, 2623, 7317, 7869, 11653, 16531, 23607, 34959, 49593, 70821, 104877, 148779, 314631, 446337, 710833, 2132499, 6397497, 19192491]

約数ペア:

[(1, 19192491), (3, 6397497), (9, 2132499), (27, 710833), (43, 446337), (61, 314631), (129, 148779), (183, 104877), (271, 70821), (387, 49593), (549, 34959), (813, 23607), (1161, 16531), (1647, 11653), (2439, 7869), (2623, 7317)]