19959396

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{823}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 48728064

約数和(自身を除く): 28768668

約数列:

[1, 2, 3, 4, 6, 12, 43, 47, 86, 94, 129, 141, 172, 188, 258, 282, 516, 564, 823, 1646, 2021, 2469, 3292, 4042, 4938, 6063, 8084, 9876, 12126, 24252, 35389, 38681, 70778, 77362, 106167, 116043, 141556, 154724, 212334, 232086, 424668, 464172, 1663283, 3326566, 4989849, 6653132, 9979698, 19959396]

約数ペア:

[(1, 19959396), (2, 9979698), (3, 6653132), (4, 4989849), (6, 3326566), (12, 1663283), (43, 464172), (47, 424668), (86, 232086), (94, 212334), (129, 154724), (141, 141556), (172, 116043), (188, 106167), (258, 77362), (282, 70778), (516, 38681), (564, 35389), (823, 24252), (1646, 12126), (2021, 9876), (2469, 8084), (3292, 6063), (4042, 4938)]