19089060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4481}}^1$

素因数の和:4564

約数の個数: 48

約数和(自身を含む): 54214272

約数和(自身を除く): 35125212

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 4481, 8962, 13443, 17924, 22405, 26886, 44810, 53772, 67215, 89620, 134430, 268860, 318151, 636302, 954453, 1272604, 1590755, 1908906, 3181510, 3817812, 4772265, 6363020, 9544530, 19089060]

約数ペア:

[(1, 19089060), (2, 9544530), (3, 6363020), (4, 4772265), (5, 3817812), (6, 3181510), (10, 1908906), (12, 1590755), (15, 1272604), (20, 954453), (30, 636302), (60, 318151), (71, 268860), (142, 134430), (213, 89620), (284, 67215), (355, 53772), (426, 44810), (710, 26886), (852, 22405), (1065, 17924), (1420, 13443), (2130, 8962), (4260, 4481)]