18863416

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1499}}^1$

素因数の和:1540

約数の個数: 48

約数和(自身を含む): 41895000

約数和(自身を除く): 23031584

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 121, 143, 242, 286, 484, 572, 968, 1144, 1499, 1573, 2998, 3146, 5996, 6292, 11992, 12584, 16489, 19487, 32978, 38974, 65956, 77948, 131912, 155896, 181379, 214357, 362758, 428714, 725516, 857428, 1451032, 1714856, 2357927, 4715854, 9431708, 18863416]

約数ペア:

[(1, 18863416), (2, 9431708), (4, 4715854), (8, 2357927), (11, 1714856), (13, 1451032), (22, 857428), (26, 725516), (44, 428714), (52, 362758), (88, 214357), (104, 181379), (121, 155896), (143, 131912), (242, 77948), (286, 65956), (484, 38974), (572, 32978), (968, 19487), (1144, 16489), (1499, 12584), (1573, 11992), (2998, 6292), (3146, 5996)]