19472649

素因数分解:

$3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{953}}^1$

素因数の和:1109

約数の個数: 24

約数和(自身を含む): 30451680

約数和(自身を除く): 10979031

約数列:

[1, 3, 7, 21, 49, 139, 147, 417, 953, 973, 2859, 2919, 6671, 6811, 20013, 20433, 46697, 132467, 140091, 397401, 927269, 2781807, 6490883, 19472649]

約数ペア:

[(1, 19472649), (3, 6490883), (7, 2781807), (21, 927269), (49, 397401), (139, 140091), (147, 132467), (417, 46697), (953, 20433), (973, 20013), (2859, 6811), (2919, 6671)]