1981870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:480

約数の個数: 32

約数和(自身を含む): 3991680

約数和(自身を除く): 2009810

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 419, 430, 473, 838, 946, 2095, 2365, 4190, 4609, 4730, 9218, 18017, 23045, 36034, 46090, 90085, 180170, 198187, 396374, 990935, 1981870]

約数ペア:

[(1, 1981870), (2, 990935), (5, 396374), (10, 198187), (11, 180170), (22, 90085), (43, 46090), (55, 36034), (86, 23045), (110, 18017), (215, 9218), (419, 4730), (430, 4609), (473, 4190), (838, 2365), (946, 2095)]