19728916

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{6037}}^1$

素因数の和:6103

約数の個数: 24

約数和(自身を含む): 37194080

約数和(自身を除く): 17465164

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1634, 3268, 6037, 12074, 24148, 114703, 229406, 259591, 458812, 519182, 1038364, 4932229, 9864458, 19728916]

約数ペア:

[(1, 19728916), (2, 9864458), (4, 4932229), (19, 1038364), (38, 519182), (43, 458812), (76, 259591), (86, 229406), (172, 114703), (817, 24148), (1634, 12074), (3268, 6037)]