19991640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{166597}}^1$

素因数の和:166611

約数の個数: 32

約数和(自身を含む): 59975280

約数和(自身を除く): 39983640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 166597, 333194, 499791, 666388, 832985, 999582, 1332776, 1665970, 1999164, 2498955, 3331940, 3998328, 4997910, 6663880, 9995820, 19991640]

約数ペア:

[(1, 19991640), (2, 9995820), (3, 6663880), (4, 4997910), (5, 3998328), (6, 3331940), (8, 2498955), (10, 1999164), (12, 1665970), (15, 1332776), (20, 999582), (24, 832985), (30, 666388), (40, 499791), (60, 333194), (120, 166597)]