19540605

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1249}}^1$

素因数の和:1413

約数の個数: 32

約数和(自身を含む): 36000000

約数和(自身を除く): 16459395

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 149, 447, 745, 1043, 1249, 2235, 3129, 3747, 5215, 6245, 8743, 15645, 18735, 26229, 43715, 131145, 186101, 558303, 930505, 1302707, 2791515, 3908121, 6513535, 19540605]

約数ペア:

[(1, 19540605), (3, 6513535), (5, 3908121), (7, 2791515), (15, 1302707), (21, 930505), (35, 558303), (105, 186101), (149, 131145), (447, 43715), (745, 26229), (1043, 18735), (1249, 15645), (2235, 8743), (3129, 6245), (3747, 5215)]