19883865

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{701}}^1$

素因数の和:801

約数の個数: 32

約数和(自身を含む): 33426432

約数和(自身を除く): 13542567

約数列:

[1, 3, 5, 15, 31, 61, 93, 155, 183, 305, 465, 701, 915, 1891, 2103, 3505, 5673, 9455, 10515, 21731, 28365, 42761, 65193, 108655, 128283, 213805, 325965, 641415, 1325591, 3976773, 6627955, 19883865]

約数ペア:

[(1, 19883865), (3, 6627955), (5, 3976773), (15, 1325591), (31, 641415), (61, 325965), (93, 213805), (155, 128283), (183, 108655), (305, 65193), (465, 42761), (701, 28365), (915, 21731), (1891, 10515), (2103, 9455), (3505, 5673)]