18814908

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5209}}^1$

素因数の和:5266

約数の個数: 48

約数和(自身を含む): 51349760

約数和(自身を除く): 32534852

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 516, 602, 903, 1204, 1806, 3612, 5209, 10418, 15627, 20836, 31254, 36463, 62508, 72926, 109389, 145852, 218778, 223987, 437556, 447974, 671961, 895948, 1343922, 1567909, 2687844, 3135818, 4703727, 6271636, 9407454, 18814908]

約数ペア:

[(1, 18814908), (2, 9407454), (3, 6271636), (4, 4703727), (6, 3135818), (7, 2687844), (12, 1567909), (14, 1343922), (21, 895948), (28, 671961), (42, 447974), (43, 437556), (84, 223987), (86, 218778), (129, 145852), (172, 109389), (258, 72926), (301, 62508), (516, 36463), (602, 31254), (903, 20836), (1204, 15627), (1806, 10418), (3612, 5209)]