18371390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2039}}^1$

素因数の和:2116

約数の個数: 32

約数和(自身を含む): 35691840

約数和(自身を除く): 17320450

約数列:

[1, 2, 5, 10, 17, 34, 53, 85, 106, 170, 265, 530, 901, 1802, 2039, 4078, 4505, 9010, 10195, 20390, 34663, 69326, 108067, 173315, 216134, 346630, 540335, 1080670, 1837139, 3674278, 9185695, 18371390]

約数ペア:

[(1, 18371390), (2, 9185695), (5, 3674278), (10, 1837139), (17, 1080670), (34, 540335), (53, 346630), (85, 216134), (106, 173315), (170, 108067), (265, 69326), (530, 34663), (901, 20390), (1802, 10195), (2039, 9010), (4078, 4505)]