19768168

素因数分解:

$2^3\times 7^2\times {\mathrm{211}}^1\times {\mathrm{239}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 43502400

約数和(自身を除く): 23734232

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 211, 239, 392, 422, 478, 844, 956, 1477, 1673, 1688, 1912, 2954, 3346, 5908, 6692, 10339, 11711, 11816, 13384, 20678, 23422, 41356, 46844, 50429, 82712, 93688, 100858, 201716, 353003, 403432, 706006, 1412012, 2471021, 2824024, 4942042, 9884084, 19768168]

約数ペア:

[(1, 19768168), (2, 9884084), (4, 4942042), (7, 2824024), (8, 2471021), (14, 1412012), (28, 706006), (49, 403432), (56, 353003), (98, 201716), (196, 100858), (211, 93688), (239, 82712), (392, 50429), (422, 46844), (478, 41356), (844, 23422), (956, 20678), (1477, 13384), (1673, 11816), (1688, 11711), (1912, 10339), (2954, 6692), (3346, 5908)]