17989660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69191}}^1$

素因数の和:69213

約数の個数: 24

約数和(自身を含む): 40684896

約数和(自身を除く): 22695236

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 69191, 138382, 276764, 345955, 691910, 899483, 1383820, 1798966, 3597932, 4497415, 8994830, 17989660]

約数ペア:

[(1, 17989660), (2, 8994830), (4, 4497415), (5, 3597932), (10, 1798966), (13, 1383820), (20, 899483), (26, 691910), (52, 345955), (65, 276764), (130, 138382), (260, 69191)]