19842170

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{64007}}^1$

素因数の和:64045

約数の個数: 16

約数和(自身を含む): 36868608

約数和(自身を除く): 17026438

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 64007, 128014, 320035, 640070, 1984217, 3968434, 9921085, 19842170]

約数ペア:

[(1, 19842170), (2, 9921085), (5, 3968434), (10, 1984217), (31, 640070), (62, 320035), (155, 128014), (310, 64007)]