18980804973

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{929}}^1\times {\mathrm{14159}}^1$

素因数の和:15141

約数の個数: 32

約数和(自身を含む): 28023206400

約数和(自身を除く): 9042401427

約数列:

[1, 3, 13, 37, 39, 111, 481, 929, 1443, 2787, 12077, 14159, 34373, 36231, 42477, 103119, 184067, 446849, 523883, 552201, 1340547, 1571649, 6810479, 13153711, 20431437, 39461133, 170998243, 486687307, 512994729, 1460061921, 6326934991, 18980804973]

約数ペア:

[(1, 18980804973), (3, 6326934991), (13, 1460061921), (37, 512994729), (39, 486687307), (111, 170998243), (481, 39461133), (929, 20431437), (1443, 13153711), (2787, 6810479), (12077, 1571649), (14159, 1340547), (34373, 552201), (36231, 523883), (42477, 446849), (103119, 184067)]