19657686

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{787}}^1$

素因数の和:996

約数の個数: 32

約数和(自身を含む): 41303808

約数和(自身を除く): 21646122

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 181, 362, 543, 787, 1086, 1574, 2361, 4163, 4722, 8326, 12489, 18101, 24978, 36202, 54303, 108606, 142447, 284894, 427341, 854682, 3276281, 6552562, 9828843, 19657686]

約数ペア:

[(1, 19657686), (2, 9828843), (3, 6552562), (6, 3276281), (23, 854682), (46, 427341), (69, 284894), (138, 142447), (181, 108606), (362, 54303), (543, 36202), (787, 24978), (1086, 18101), (1574, 12489), (2361, 8326), (4163, 4722)]