18655676

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 37029888

約数和(自身を除く): 18374212

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 71, 124, 142, 163, 284, 326, 403, 652, 806, 923, 1612, 1846, 2119, 2201, 3692, 4238, 4402, 5053, 8476, 8804, 10106, 11573, 20212, 23146, 28613, 46292, 57226, 65689, 114452, 131378, 150449, 262756, 300898, 358763, 601796, 717526, 1435052, 4663919, 9327838, 18655676]

約数ペア:

[(1, 18655676), (2, 9327838), (4, 4663919), (13, 1435052), (26, 717526), (31, 601796), (52, 358763), (62, 300898), (71, 262756), (124, 150449), (142, 131378), (163, 114452), (284, 65689), (326, 57226), (403, 46292), (652, 28613), (806, 23146), (923, 20212), (1612, 11573), (1846, 10106), (2119, 8804), (2201, 8476), (3692, 5053), (4238, 4402)]