19662138

素因数分解:

$2^1\times 3^2\times {\mathrm{487}}^1\times {\mathrm{2243}}^1$

素因数の和:2738

約数の個数: 24

約数和(自身を含む): 42707808

約数和(自身を除く): 23045670

約数列:

[1, 2, 3, 6, 9, 18, 487, 974, 1461, 2243, 2922, 4383, 4486, 6729, 8766, 13458, 20187, 40374, 1092341, 2184682, 3277023, 6554046, 9831069, 19662138]

約数ペア:

[(1, 19662138), (2, 9831069), (3, 6554046), (6, 3277023), (9, 2184682), (18, 1092341), (487, 40374), (974, 20187), (1461, 13458), (2243, 8766), (2922, 6729), (4383, 4486)]