19126660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{673}}^1$

素因数の和:725

約数の個数: 72

約数和(自身を含む): 48406680

約数和(自身を除く): 29280020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 580, 673, 812, 980, 1015, 1346, 1421, 2030, 2692, 2842, 3365, 4060, 4711, 5684, 6730, 7105, 9422, 13460, 14210, 18844, 19517, 23555, 28420, 32977, 39034, 47110, 65954, 78068, 94220, 97585, 131908, 136619, 164885, 195170, 273238, 329770, 390340, 546476, 659540, 683095, 956333, 1366190, 1912666, 2732380, 3825332, 4781665, 9563330, 19126660]

約数ペア:

[(1, 19126660), (2, 9563330), (4, 4781665), (5, 3825332), (7, 2732380), (10, 1912666), (14, 1366190), (20, 956333), (28, 683095), (29, 659540), (35, 546476), (49, 390340), (58, 329770), (70, 273238), (98, 195170), (116, 164885), (140, 136619), (145, 131908), (196, 97585), (203, 94220), (245, 78068), (290, 65954), (406, 47110), (490, 39034), (580, 32977), (673, 28420), (812, 23555), (980, 19517), (1015, 18844), (1346, 14210), (1421, 13460), (2030, 9422), (2692, 7105), (2842, 6730), (3365, 5684), (4060, 4711)]