18361970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2113}}^1$

素因数の和:2210

約数の個数: 32

約数和(自身を含む): 36529920

約数和(自身を除く): 18167950

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 158, 395, 790, 869, 1738, 2113, 4226, 4345, 8690, 10565, 21130, 23243, 46486, 116215, 166927, 232430, 333854, 834635, 1669270, 1836197, 3672394, 9180985, 18361970]

約数ペア:

[(1, 18361970), (2, 9180985), (5, 3672394), (10, 1836197), (11, 1669270), (22, 834635), (55, 333854), (79, 232430), (110, 166927), (158, 116215), (395, 46486), (790, 23243), (869, 21130), (1738, 10565), (2113, 8690), (4226, 4345)]