19543671

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10007}}^1$

素因数の和:10051

約数の個数: 24

約数和(自身を含む): 33306624

約数和(自身を除く): 13762953

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 10007, 30021, 70049, 90063, 210147, 310217, 630441, 930651, 2171519, 2791953, 6514557, 19543671]

約数ペア:

[(1, 19543671), (3, 6514557), (7, 2791953), (9, 2171519), (21, 930651), (31, 630441), (63, 310217), (93, 210147), (217, 90063), (279, 70049), (651, 30021), (1953, 10007)]