20189219080

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2111843}}^1$

素因数の和:2112093

約数の個数: 32

約数和(自身を含む): 45615830400

約数和(自身を除く): 25426611320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 9560, 2111843, 4223686, 8447372, 10559215, 16894744, 21118430, 42236860, 84473720, 504730477, 1009460954, 2018921908, 2523652385, 4037843816, 5047304770, 10094609540, 20189219080]

約数ペア:

[(1, 20189219080), (2, 10094609540), (4, 5047304770), (5, 4037843816), (8, 2523652385), (10, 2018921908), (20, 1009460954), (40, 504730477), (239, 84473720), (478, 42236860), (956, 21118430), (1195, 16894744), (1912, 10559215), (2390, 8447372), (4780, 4223686), (9560, 2111843)]