19175275

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:188

約数の個数: 48

約数和(自身を含む): 29363200

約数和(自身を除く): 10187925

約数列:

[1, 5, 7, 19, 25, 35, 73, 79, 95, 133, 175, 365, 395, 475, 511, 553, 665, 1387, 1501, 1825, 1975, 2555, 2765, 3325, 5767, 6935, 7505, 9709, 10507, 12775, 13825, 28835, 34675, 37525, 40369, 48545, 52535, 109573, 144175, 201845, 242725, 262675, 547865, 767011, 1009225, 2739325, 3835055, 19175275]

約数ペア:

[(1, 19175275), (5, 3835055), (7, 2739325), (19, 1009225), (25, 767011), (35, 547865), (73, 262675), (79, 242725), (95, 201845), (133, 144175), (175, 109573), (365, 52535), (395, 48545), (475, 40369), (511, 37525), (553, 34675), (665, 28835), (1387, 13825), (1501, 12775), (1825, 10507), (1975, 9709), (2555, 7505), (2765, 6935), (3325, 5767)]