19969204

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{367}}^1$

素因数の和:655

約数の個数: 24

約数和(自身を含む): 35775488

約数和(自身を除く): 15806284

約数列:

[1, 2, 4, 61, 122, 223, 244, 367, 446, 734, 892, 1468, 13603, 22387, 27206, 44774, 54412, 81841, 89548, 163682, 327364, 4992301, 9984602, 19969204]

約数ペア:

[(1, 19969204), (2, 9984602), (4, 4992301), (61, 327364), (122, 163682), (223, 89548), (244, 81841), (367, 54412), (446, 44774), (734, 27206), (892, 22387), (1468, 13603)]