18997330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{10159}}^1$

素因数の和:10194

約数の個数: 32

約数和(自身を含む): 39502080

約数和(自身を除く): 20504750

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 10159, 20318, 50795, 101590, 111749, 172703, 223498, 345406, 558745, 863515, 1117490, 1727030, 1899733, 3799466, 9498665, 18997330]

約数ペア:

[(1, 18997330), (2, 9498665), (5, 3799466), (10, 1899733), (11, 1727030), (17, 1117490), (22, 863515), (34, 558745), (55, 345406), (85, 223498), (110, 172703), (170, 111749), (187, 101590), (374, 50795), (935, 20318), (1870, 10159)]