18981816

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{16141}}^1$

素因数の和:16164

約数の個数: 48

約数和(自身を含む): 55205640

約数和(自身を除く): 36223824

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 392, 588, 1176, 16141, 32282, 48423, 64564, 96846, 112987, 129128, 193692, 225974, 338961, 387384, 451948, 677922, 790909, 903896, 1355844, 1581818, 2372727, 2711688, 3163636, 4745454, 6327272, 9490908, 18981816]

約数ペア:

[(1, 18981816), (2, 9490908), (3, 6327272), (4, 4745454), (6, 3163636), (7, 2711688), (8, 2372727), (12, 1581818), (14, 1355844), (21, 903896), (24, 790909), (28, 677922), (42, 451948), (49, 387384), (56, 338961), (84, 225974), (98, 193692), (147, 129128), (168, 112987), (196, 96846), (294, 64564), (392, 48423), (588, 32282), (1176, 16141)]