18578170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{10993}}^1$

素因数の和:11026

約数の個数: 24

約数和(自身を含む): 36214236

約数和(自身を除く): 17636066

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 10993, 21986, 54965, 109930, 142909, 285818, 714545, 1429090, 1857817, 3715634, 9289085, 18578170]

約数ペア:

[(1, 18578170), (2, 9289085), (5, 3715634), (10, 1857817), (13, 1429090), (26, 714545), (65, 285818), (130, 142909), (169, 109930), (338, 54965), (845, 21986), (1690, 10993)]