18904984

素因数分解:

$2^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1663}}^1$

素因数の和:1712

約数の個数: 48

約数和(自身を含む): 42681600

約数和(自身を除く): 23776616

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 49, 56, 58, 98, 116, 196, 203, 232, 392, 406, 812, 1421, 1624, 1663, 2842, 3326, 5684, 6652, 11368, 11641, 13304, 23282, 46564, 48227, 81487, 93128, 96454, 162974, 192908, 325948, 337589, 385816, 651896, 675178, 1350356, 2363123, 2700712, 4726246, 9452492, 18904984]

約数ペア:

[(1, 18904984), (2, 9452492), (4, 4726246), (7, 2700712), (8, 2363123), (14, 1350356), (28, 675178), (29, 651896), (49, 385816), (56, 337589), (58, 325948), (98, 192908), (116, 162974), (196, 96454), (203, 93128), (232, 81487), (392, 48227), (406, 46564), (812, 23282), (1421, 13304), (1624, 11641), (1663, 11368), (2842, 6652), (3326, 5684)]