19697475

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2207}}^1$

素因数の和:2244

約数の個数: 48

約数和(自身を含む): 39426048

約数和(自身を除く): 19728573

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 51, 75, 85, 105, 119, 175, 255, 357, 425, 525, 595, 1275, 1785, 2207, 2975, 6621, 8925, 11035, 15449, 33105, 37519, 46347, 55175, 77245, 112557, 165525, 187595, 231735, 262633, 386225, 562785, 787899, 937975, 1158675, 1313165, 2813925, 3939495, 6565825, 19697475]

約数ペア:

[(1, 19697475), (3, 6565825), (5, 3939495), (7, 2813925), (15, 1313165), (17, 1158675), (21, 937975), (25, 787899), (35, 562785), (51, 386225), (75, 262633), (85, 231735), (105, 187595), (119, 165525), (175, 112557), (255, 77245), (357, 55175), (425, 46347), (525, 37519), (595, 33105), (1275, 15449), (1785, 11035), (2207, 8925), (2975, 6621)]