19212529

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:181

約数の個数: 32

約数和(自身を含む): 24330240

約数和(自身を除く): 5117711

約数列:

[1, 7, 29, 31, 43, 71, 203, 217, 301, 497, 899, 1247, 1333, 2059, 2201, 3053, 6293, 8729, 9331, 14413, 15407, 21371, 38657, 63829, 88537, 94643, 270599, 446803, 619759, 662501, 2744647, 19212529]

約数ペア:

[(1, 19212529), (7, 2744647), (29, 662501), (31, 619759), (43, 446803), (71, 270599), (203, 94643), (217, 88537), (301, 63829), (497, 38657), (899, 21371), (1247, 15407), (1333, 14413), (2059, 9331), (2201, 8729), (3053, 6293)]