19261280

素因数分解:

$2^5\times 5^1\times {\mathrm{120383}}^1$

素因数の和:120398

約数の個数: 24

約数和(自身を含む): 45505152

約数和(自身を除く): 26243872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 120383, 240766, 481532, 601915, 963064, 1203830, 1926128, 2407660, 3852256, 4815320, 9630640, 19261280]

約数ペア:

[(1, 19261280), (2, 9630640), (4, 4815320), (5, 3852256), (8, 2407660), (10, 1926128), (16, 1203830), (20, 963064), (32, 601915), (40, 481532), (80, 240766), (160, 120383)]