19297240

素因数分解:

$2^3\times 5^1\times {\mathrm{613}}^1\times {\mathrm{787}}^1$

素因数の和:1411

約数の個数: 32

約数和(自身を含む): 43544880

約数和(自身を除く): 24247640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 613, 787, 1226, 1574, 2452, 3065, 3148, 3935, 4904, 6130, 6296, 7870, 12260, 15740, 24520, 31480, 482431, 964862, 1929724, 2412155, 3859448, 4824310, 9648620, 19297240]

約数ペア:

[(1, 19297240), (2, 9648620), (4, 4824310), (5, 3859448), (8, 2412155), (10, 1929724), (20, 964862), (40, 482431), (613, 31480), (787, 24520), (1226, 15740), (1574, 12260), (2452, 7870), (3065, 6296), (3148, 6130), (3935, 4904)]