19129400

素因数分解:

$2^3\times 5^2\times {\mathrm{101}}^1\times {\mathrm{947}}^1$

素因数の和:1064

約数の個数: 48

約数和(自身を含む): 44963640

約数和(自身を除く): 25834240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 101, 200, 202, 404, 505, 808, 947, 1010, 1894, 2020, 2525, 3788, 4040, 4735, 5050, 7576, 9470, 10100, 18940, 20200, 23675, 37880, 47350, 94700, 95647, 189400, 191294, 382588, 478235, 765176, 956470, 1912940, 2391175, 3825880, 4782350, 9564700, 19129400]

約数ペア:

[(1, 19129400), (2, 9564700), (4, 4782350), (5, 3825880), (8, 2391175), (10, 1912940), (20, 956470), (25, 765176), (40, 478235), (50, 382588), (100, 191294), (101, 189400), (200, 95647), (202, 94700), (404, 47350), (505, 37880), (808, 23675), (947, 20200), (1010, 18940), (1894, 10100), (2020, 9470), (2525, 7576), (3788, 5050), (4040, 4735)]