19396923

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{313}}^1$

素因数の和:563

約数の個数: 32

約数和(自身を含む): 32073216

約数和(自身を除く): 12676293

約数列:

[1, 3, 7, 13, 21, 39, 91, 227, 273, 313, 681, 939, 1589, 2191, 2951, 4069, 4767, 6573, 8853, 12207, 20657, 28483, 61971, 71051, 85449, 213153, 497357, 923663, 1492071, 2770989, 6465641, 19396923]

約数ペア:

[(1, 19396923), (3, 6465641), (7, 2770989), (13, 1492071), (21, 923663), (39, 497357), (91, 213153), (227, 85449), (273, 71051), (313, 61971), (681, 28483), (939, 20657), (1589, 12207), (2191, 8853), (2951, 6573), (4069, 4767)]