19788444

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{42283}}^1$

素因数の和:42306

約数の個数: 36

約数和(自身を含む): 53869816

約数和(自身を除く): 34081372

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 42283, 84566, 126849, 169132, 253698, 380547, 507396, 549679, 761094, 1099358, 1522188, 1649037, 2198716, 3298074, 4947111, 6596148, 9894222, 19788444]

約数ペア:

[(1, 19788444), (2, 9894222), (3, 6596148), (4, 4947111), (6, 3298074), (9, 2198716), (12, 1649037), (13, 1522188), (18, 1099358), (26, 761094), (36, 549679), (39, 507396), (52, 380547), (78, 253698), (117, 169132), (156, 126849), (234, 84566), (468, 42283)]