18397911

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{479}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 29491200

約数和(自身を除く): 11093289

約数列:

[1, 3, 7, 21, 31, 59, 93, 177, 217, 413, 479, 651, 1239, 1437, 1829, 3353, 5487, 10059, 12803, 14849, 28261, 38409, 44547, 84783, 103943, 197827, 311829, 593481, 876091, 2628273, 6132637, 18397911]

約数ペア:

[(1, 18397911), (3, 6132637), (7, 2628273), (21, 876091), (31, 593481), (59, 311829), (93, 197827), (177, 103943), (217, 84783), (413, 44547), (479, 38409), (651, 28261), (1239, 14849), (1437, 12803), (1829, 10059), (3353, 5487)]