18702890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{110017}}^1$

素因数の和:110041

約数の個数: 16

約数和(自身を含む): 35645832

約数和(自身を除く): 16942942

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 110017, 220034, 550085, 1100170, 1870289, 3740578, 9351445, 18702890]

約数ペア:

[(1, 18702890), (2, 9351445), (5, 3740578), (10, 1870289), (17, 1100170), (34, 550085), (85, 220034), (170, 110017)]