18393544

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:190

約数の個数: 64

約数和(自身を含む): 39191040

約数和(自身を除く): 20797496

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 53, 71, 94, 104, 106, 142, 188, 212, 284, 376, 424, 568, 611, 689, 923, 1222, 1378, 1846, 2444, 2491, 2756, 3337, 3692, 3763, 4888, 4982, 5512, 6674, 7384, 7526, 9964, 13348, 15052, 19928, 26696, 30104, 32383, 43381, 48919, 64766, 86762, 97838, 129532, 173524, 176861, 195676, 259064, 347048, 353722, 391352, 707444, 1414888, 2299193, 4598386, 9196772, 18393544]

約数ペア:

[(1, 18393544), (2, 9196772), (4, 4598386), (8, 2299193), (13, 1414888), (26, 707444), (47, 391352), (52, 353722), (53, 347048), (71, 259064), (94, 195676), (104, 176861), (106, 173524), (142, 129532), (188, 97838), (212, 86762), (284, 64766), (376, 48919), (424, 43381), (568, 32383), (611, 30104), (689, 26696), (923, 19928), (1222, 15052), (1378, 13348), (1846, 9964), (2444, 7526), (2491, 7384), (2756, 6674), (3337, 5512), (3692, 4982), (3763, 4888)]