19728410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5233}}^1$

素因数の和:5282

約数の個数: 32

約数和(自身を含む): 39569040

約数和(自身を除く): 19840630

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 5233, 10466, 26165, 52330, 68029, 136058, 151757, 303514, 340145, 680290, 758785, 1517570, 1972841, 3945682, 9864205, 19728410]

約数ペア:

[(1, 19728410), (2, 9864205), (5, 3945682), (10, 1972841), (13, 1517570), (26, 758785), (29, 680290), (58, 340145), (65, 303514), (130, 151757), (145, 136058), (290, 68029), (377, 52330), (754, 26165), (1885, 10466), (3770, 5233)]