19729010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1$

素因数の和:371

約数の個数: 64

約数和(自身を含む): 43856640

約数和(自身を除く): 24127630

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 59, 70, 85, 118, 119, 170, 238, 281, 295, 413, 562, 590, 595, 826, 1003, 1190, 1405, 1967, 2006, 2065, 2810, 3934, 4130, 4777, 5015, 7021, 9554, 9835, 10030, 14042, 16579, 19670, 23885, 33158, 33439, 35105, 47770, 66878, 70210, 82895, 116053, 165790, 167195, 232106, 281843, 334390, 563686, 580265, 1160530, 1409215, 1972901, 2818430, 3945802, 9864505, 19729010]

約数ペア:

[(1, 19729010), (2, 9864505), (5, 3945802), (7, 2818430), (10, 1972901), (14, 1409215), (17, 1160530), (34, 580265), (35, 563686), (59, 334390), (70, 281843), (85, 232106), (118, 167195), (119, 165790), (170, 116053), (238, 82895), (281, 70210), (295, 66878), (413, 47770), (562, 35105), (590, 33439), (595, 33158), (826, 23885), (1003, 19670), (1190, 16579), (1405, 14042), (1967, 10030), (2006, 9835), (2065, 9554), (2810, 7021), (3934, 5015), (4130, 4777)]