18680415

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{7369}}^1$

素因数の和:7403

約数の個数: 24

約数和(自身を含む): 32369040

約数和(自身を除く): 13688625

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 7369, 22107, 36845, 95797, 110535, 287391, 478985, 1245361, 1436955, 3736083, 6226805, 18680415]

約数ペア:

[(1, 18680415), (3, 6226805), (5, 3736083), (13, 1436955), (15, 1245361), (39, 478985), (65, 287391), (169, 110535), (195, 95797), (507, 36845), (845, 22107), (2535, 7369)]