19278760

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1381}}^1$

素因数の和:1741

約数の個数: 32

約数和(自身を含む): 43533000

約数和(自身を除く): 24254240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1381, 1396, 1745, 2762, 2792, 3490, 5524, 6905, 6980, 11048, 13810, 13960, 27620, 55240, 481969, 963938, 1927876, 2409845, 3855752, 4819690, 9639380, 19278760]

約数ペア:

[(1, 19278760), (2, 9639380), (4, 4819690), (5, 3855752), (8, 2409845), (10, 1927876), (20, 963938), (40, 481969), (349, 55240), (698, 27620), (1381, 13960), (1396, 13810), (1745, 11048), (2762, 6980), (2792, 6905), (3490, 5524)]