19807688004

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{126972359}}^1$

素因数の和:126972379

約数の個数: 24

約数和(自身を含む): 49773165120

約数和(自身を除く): 29965477116

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 126972359, 253944718, 380917077, 507889436, 761834154, 1523668308, 1650640667, 3301281334, 4951922001, 6602562668, 9903844002, 19807688004]

約数ペア:

[(1, 19807688004), (2, 9903844002), (3, 6602562668), (4, 4951922001), (6, 3301281334), (12, 1650640667), (13, 1523668308), (26, 761834154), (39, 507889436), (52, 380917077), (78, 253944718), (156, 126972359)]