19974380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24359}}^1$

素因数の和:24409

約数の個数: 24

約数和(自身を含む): 42971040

約数和(自身を除く): 22996660

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 24359, 48718, 97436, 121795, 243590, 487180, 998719, 1997438, 3994876, 4993595, 9987190, 19974380]

約数ペア:

[(1, 19974380), (2, 9987190), (4, 4993595), (5, 3994876), (10, 1997438), (20, 998719), (41, 487180), (82, 243590), (164, 121795), (205, 97436), (410, 48718), (820, 24359)]