19151320

素因数分解:

$2^3\times 5^1\times {\mathrm{683}}^1\times {\mathrm{701}}^1$

素因数の和:1395

約数の個数: 32

約数和(自身を含む): 43215120

約数和(自身を除く): 24063800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 683, 701, 1366, 1402, 2732, 2804, 3415, 3505, 5464, 5608, 6830, 7010, 13660, 14020, 27320, 28040, 478783, 957566, 1915132, 2393915, 3830264, 4787830, 9575660, 19151320]

約数ペア:

[(1, 19151320), (2, 9575660), (4, 4787830), (5, 3830264), (8, 2393915), (10, 1915132), (20, 957566), (40, 478783), (683, 28040), (701, 27320), (1366, 14020), (1402, 13660), (2732, 7010), (2804, 6830), (3415, 5608), (3505, 5464)]