19934340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{727}}^1$

素因数の和:1196

約数の個数: 48

約数和(自身を含む): 56015232

約数和(自身を除く): 36080892

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 457, 727, 914, 1371, 1454, 1828, 2181, 2285, 2742, 2908, 3635, 4362, 4570, 5484, 6855, 7270, 8724, 9140, 10905, 13710, 14540, 21810, 27420, 43620, 332239, 664478, 996717, 1328956, 1661195, 1993434, 3322390, 3986868, 4983585, 6644780, 9967170, 19934340]

約数ペア:

[(1, 19934340), (2, 9967170), (3, 6644780), (4, 4983585), (5, 3986868), (6, 3322390), (10, 1993434), (12, 1661195), (15, 1328956), (20, 996717), (30, 664478), (60, 332239), (457, 43620), (727, 27420), (914, 21810), (1371, 14540), (1454, 13710), (1828, 10905), (2181, 9140), (2285, 8724), (2742, 7270), (2908, 6855), (3635, 5484), (4362, 4570)]