19819912

素因数分解:

$2^3\times 7^3\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 44928000

約数和(自身を除く): 25108088

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 49, 56, 62, 98, 124, 196, 217, 233, 248, 343, 392, 434, 466, 686, 868, 932, 1372, 1519, 1631, 1736, 1864, 2744, 3038, 3262, 6076, 6524, 7223, 10633, 11417, 12152, 13048, 14446, 21266, 22834, 28892, 42532, 45668, 50561, 57784, 79919, 85064, 91336, 101122, 159838, 202244, 319676, 353927, 404488, 639352, 707854, 1415708, 2477489, 2831416, 4954978, 9909956, 19819912]

約数ペア:

[(1, 19819912), (2, 9909956), (4, 4954978), (7, 2831416), (8, 2477489), (14, 1415708), (28, 707854), (31, 639352), (49, 404488), (56, 353927), (62, 319676), (98, 202244), (124, 159838), (196, 101122), (217, 91336), (233, 85064), (248, 79919), (343, 57784), (392, 50561), (434, 45668), (466, 42532), (686, 28892), (868, 22834), (932, 21266), (1372, 14446), (1519, 13048), (1631, 12152), (1736, 11417), (1864, 10633), (2744, 7223), (3038, 6524), (3262, 6076)]