18975810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{829}}^1$

素因数の和:955

約数の個数: 64

約数和(自身を含む): 52588800

約数和(自身を除く): 33612990

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 109, 210, 218, 327, 545, 654, 763, 829, 1090, 1526, 1635, 1658, 2289, 2487, 3270, 3815, 4145, 4578, 4974, 5803, 7630, 8290, 11445, 11606, 12435, 17409, 22890, 24870, 29015, 34818, 58030, 87045, 90361, 174090, 180722, 271083, 451805, 542166, 632527, 903610, 1265054, 1355415, 1897581, 2710830, 3162635, 3795162, 6325270, 9487905, 18975810]

約数ペア:

[(1, 18975810), (2, 9487905), (3, 6325270), (5, 3795162), (6, 3162635), (7, 2710830), (10, 1897581), (14, 1355415), (15, 1265054), (21, 903610), (30, 632527), (35, 542166), (42, 451805), (70, 271083), (105, 180722), (109, 174090), (210, 90361), (218, 87045), (327, 58030), (545, 34818), (654, 29015), (763, 24870), (829, 22890), (1090, 17409), (1526, 12435), (1635, 11606), (1658, 11445), (2289, 8290), (2487, 7630), (3270, 5803), (3815, 4974), (4145, 4578)]