18673590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47881}}^1$

素因数の和:47904

約数の個数: 32

約数和(自身を含む): 48265056

約数和(自身を除く): 29591466

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 47881, 95762, 143643, 239405, 287286, 478810, 622453, 718215, 1244906, 1436430, 1867359, 3112265, 3734718, 6224530, 9336795, 18673590]

約数ペア:

[(1, 18673590), (2, 9336795), (3, 6224530), (5, 3734718), (6, 3112265), (10, 1867359), (13, 1436430), (15, 1244906), (26, 718215), (30, 622453), (39, 478810), (65, 287286), (78, 239405), (130, 143643), (195, 95762), (390, 47881)]