18659664

素因数分解:

$2^4\times 3^2\times {\mathrm{129581}}^1$

素因数の和:129595

約数の個数: 30

約数和(自身を含む): 52221546

約数和(自身を除く): 33561882

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 129581, 259162, 388743, 518324, 777486, 1036648, 1166229, 1554972, 2073296, 2332458, 3109944, 4664916, 6219888, 9329832, 18659664]

約数ペア:

[(1, 18659664), (2, 9329832), (3, 6219888), (4, 4664916), (6, 3109944), (8, 2332458), (9, 2073296), (12, 1554972), (16, 1166229), (18, 1036648), (24, 777486), (36, 518324), (48, 388743), (72, 259162), (144, 129581)]