19019330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4021}}^1$

素因数の和:4082

約数の個数: 32

約数和(自身を含む): 38225088

約数和(自身を除く): 19205758

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 4021, 4730, 8042, 20105, 40210, 44231, 88462, 172903, 221155, 345806, 442310, 864515, 1729030, 1901933, 3803866, 9509665, 19019330]

約数ペア:

[(1, 19019330), (2, 9509665), (5, 3803866), (10, 1901933), (11, 1729030), (22, 864515), (43, 442310), (55, 345806), (86, 221155), (110, 172903), (215, 88462), (430, 44231), (473, 40210), (946, 20105), (2365, 8042), (4021, 4730)]