19993626

素因数分解:

$2^1\times 3^2\times {\mathrm{809}}^1\times {\mathrm{1373}}^1$

素因数の和:2190

約数の個数: 24

約数和(自身を含む): 43404660

約数和(自身を除く): 23411034

約数列:

[1, 2, 3, 6, 9, 18, 809, 1373, 1618, 2427, 2746, 4119, 4854, 7281, 8238, 12357, 14562, 24714, 1110757, 2221514, 3332271, 6664542, 9996813, 19993626]

約数ペア:

[(1, 19993626), (2, 9996813), (3, 6664542), (6, 3332271), (9, 2221514), (18, 1110757), (809, 24714), (1373, 14562), (1618, 12357), (2427, 8238), (2746, 7281), (4119, 4854)]