19126730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:303

約数の個数: 64

約数和(自身を含む): 42197760

約数和(自身を除く): 23071030

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 73, 95, 133, 146, 190, 197, 266, 365, 394, 511, 665, 730, 985, 1022, 1330, 1379, 1387, 1970, 2555, 2758, 2774, 3743, 5110, 6895, 6935, 7486, 9709, 13790, 13870, 14381, 18715, 19418, 26201, 28762, 37430, 48545, 52402, 71905, 97090, 100667, 131005, 143810, 201334, 262010, 273239, 503335, 546478, 1006670, 1366195, 1912673, 2732390, 3825346, 9563365, 19126730]

約数ペア:

[(1, 19126730), (2, 9563365), (5, 3825346), (7, 2732390), (10, 1912673), (14, 1366195), (19, 1006670), (35, 546478), (38, 503335), (70, 273239), (73, 262010), (95, 201334), (133, 143810), (146, 131005), (190, 100667), (197, 97090), (266, 71905), (365, 52402), (394, 48545), (511, 37430), (665, 28762), (730, 26201), (985, 19418), (1022, 18715), (1330, 14381), (1379, 13870), (1387, 13790), (1970, 9709), (2555, 7486), (2758, 6935), (2774, 6895), (3743, 5110)]