17799890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{857}}^1$

素因数の和:962

約数の個数: 32

約数和(自身を含む): 33606144

約数和(自身を除く): 15806254

約数列:

[1, 2, 5, 10, 31, 62, 67, 134, 155, 310, 335, 670, 857, 1714, 2077, 4154, 4285, 8570, 10385, 20770, 26567, 53134, 57419, 114838, 132835, 265670, 287095, 574190, 1779989, 3559978, 8899945, 17799890]

約数ペア:

[(1, 17799890), (2, 8899945), (5, 3559978), (10, 1779989), (31, 574190), (62, 287095), (67, 265670), (134, 132835), (155, 114838), (310, 57419), (335, 53134), (670, 26567), (857, 20770), (1714, 10385), (2077, 8570), (4154, 4285)]