19084960

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1181}}^1$

素因数の和:1297

約数の個数: 48

約数和(自身を含む): 45573192

約数和(自身を除く): 26488232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 202, 404, 505, 808, 1010, 1181, 1616, 2020, 2362, 3232, 4040, 4724, 5905, 8080, 9448, 11810, 16160, 18896, 23620, 37792, 47240, 94480, 119281, 188960, 238562, 477124, 596405, 954248, 1192810, 1908496, 2385620, 3816992, 4771240, 9542480, 19084960]

約数ペア:

[(1, 19084960), (2, 9542480), (4, 4771240), (5, 3816992), (8, 2385620), (10, 1908496), (16, 1192810), (20, 954248), (32, 596405), (40, 477124), (80, 238562), (101, 188960), (160, 119281), (202, 94480), (404, 47240), (505, 37792), (808, 23620), (1010, 18896), (1181, 16160), (1616, 11810), (2020, 9448), (2362, 8080), (3232, 5905), (4040, 4724)]