18594008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{821}}^1$

素因数の和:995

約数の個数: 32

約数和(自身を含む): 36990000

約数和(自身を除く): 18395992

約数列:

[1, 2, 4, 8, 19, 38, 76, 149, 152, 298, 596, 821, 1192, 1642, 2831, 3284, 5662, 6568, 11324, 15599, 22648, 31198, 62396, 122329, 124792, 244658, 489316, 978632, 2324251, 4648502, 9297004, 18594008]

約数ペア:

[(1, 18594008), (2, 9297004), (4, 4648502), (8, 2324251), (19, 978632), (38, 489316), (76, 244658), (149, 124792), (152, 122329), (298, 62396), (596, 31198), (821, 22648), (1192, 15599), (1642, 11324), (2831, 6568), (3284, 5662)]