18549460

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{13063}}^1$

素因数の和:13143

約数の個数: 24

約数和(自身を含む): 39505536

約数和(自身を除く): 20956076

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 13063, 26126, 52252, 65315, 130630, 261260, 927473, 1854946, 3709892, 4637365, 9274730, 18549460]

約数ペア:

[(1, 18549460), (2, 9274730), (4, 4637365), (5, 3709892), (10, 1854946), (20, 927473), (71, 261260), (142, 130630), (284, 65315), (355, 52252), (710, 26126), (1420, 13063)]