18910360049

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{439}}^1\times {\mathrm{443}}^1\times {\mathrm{479}}^1$

素因数の和:1397

約数の個数: 32

約数和(自身を含む): 22505472000

約数和(自身を除く): 3595111951

約数列:

[1, 7, 29, 203, 439, 443, 479, 3073, 3101, 3353, 12731, 12847, 13891, 89117, 89929, 97237, 194477, 210281, 212197, 1361339, 1471967, 1485379, 5639833, 6098149, 6153713, 39478831, 42687043, 43075991, 93154483, 652081381, 2701480007, 18910360049]

約数ペア:

[(1, 18910360049), (7, 2701480007), (29, 652081381), (203, 93154483), (439, 43075991), (443, 42687043), (479, 39478831), (3073, 6153713), (3101, 6098149), (3353, 5639833), (12731, 1485379), (12847, 1471967), (13891, 1361339), (89117, 212197), (89929, 210281), (97237, 194477)]