18910034

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1787}}^1$

素因数の和:1850

約数の個数: 32

約数和(自身を含む): 34243776

約数和(自身を除く): 15333742

約数列:

[1, 2, 11, 13, 22, 26, 37, 74, 143, 286, 407, 481, 814, 962, 1787, 3574, 5291, 10582, 19657, 23231, 39314, 46462, 66119, 132238, 255541, 511082, 727309, 859547, 1454618, 1719094, 9455017, 18910034]

約数ペア:

[(1, 18910034), (2, 9455017), (11, 1719094), (13, 1454618), (22, 859547), (26, 727309), (37, 511082), (74, 255541), (143, 132238), (286, 66119), (407, 46462), (481, 39314), (814, 23231), (962, 19657), (1787, 10582), (3574, 5291)]