19757124

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{12763}}^1$

素因数の和:12816

約数の個数: 36

約数和(自身を含む): 51107056

約数和(自身を除く): 31349932

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 12763, 25526, 38289, 51052, 76578, 114867, 153156, 229734, 459468, 548809, 1097618, 1646427, 2195236, 3292854, 4939281, 6585708, 9878562, 19757124]

約数ペア:

[(1, 19757124), (2, 9878562), (3, 6585708), (4, 4939281), (6, 3292854), (9, 2195236), (12, 1646427), (18, 1097618), (36, 548809), (43, 459468), (86, 229734), (129, 153156), (172, 114867), (258, 76578), (387, 51052), (516, 38289), (774, 25526), (1548, 12763)]