18415826

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3389}}^1$

素因数の和:3434

約数の個数: 32

約数和(自身を含む): 34171200

約数和(自身を除く): 15755374

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 143, 209, 247, 286, 418, 494, 2717, 3389, 5434, 6778, 37279, 44057, 64391, 74558, 88114, 128782, 484627, 708301, 837083, 969254, 1416602, 1674166, 9207913, 18415826]

約数ペア:

[(1, 18415826), (2, 9207913), (11, 1674166), (13, 1416602), (19, 969254), (22, 837083), (26, 708301), (38, 484627), (143, 128782), (209, 88114), (247, 74558), (286, 64391), (418, 44057), (494, 37279), (2717, 6778), (3389, 5434)]