19663486

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{1327}}^1$

素因数の和:1599

約数の個数: 16

約数和(自身を含む): 30597120

約数和(自身を除く): 10933634

約数列:

[1, 2, 31, 62, 239, 478, 1327, 2654, 7409, 14818, 41137, 82274, 317153, 634306, 9831743, 19663486]

約数ペア:

[(1, 19663486), (2, 9831743), (31, 634306), (62, 317153), (239, 82274), (478, 41137), (1327, 14818), (2654, 7409)]