2019185776

素因数分解:

$2^4\times {\mathrm{401}}^1\times {\mathrm{314711}}^1$

素因数の和:315120

約数の個数: 20

約数和(自身を含む): 3921940944

約数和(自身を除く): 1902755168

約数列:

[1, 2, 4, 8, 16, 401, 802, 1604, 3208, 6416, 314711, 629422, 1258844, 2517688, 5035376, 126199111, 252398222, 504796444, 1009592888, 2019185776]

約数ペア:

[(1, 2019185776), (2, 1009592888), (4, 504796444), (8, 252398222), (16, 126199111), (401, 5035376), (802, 2517688), (1604, 1258844), (3208, 629422), (6416, 314711)]