19649146

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 33488640

約数和(自身を除く): 13839494

約数列:

[1, 2, 11, 22, 37, 74, 101, 202, 239, 407, 478, 814, 1111, 2222, 2629, 3737, 5258, 7474, 8843, 17686, 24139, 41107, 48278, 82214, 97273, 194546, 265529, 531058, 893143, 1786286, 9824573, 19649146]

約数ペア:

[(1, 19649146), (2, 9824573), (11, 1786286), (22, 893143), (37, 531058), (74, 265529), (101, 194546), (202, 97273), (239, 82214), (407, 48278), (478, 41107), (814, 24139), (1111, 17686), (2222, 8843), (2629, 7474), (3737, 5258)]