19687370

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:410

約数の個数: 32

約数和(自身を含む): 36363600

約数和(自身を除く): 16676230

約数列:

[1, 2, 5, 10, 73, 146, 149, 181, 298, 362, 365, 730, 745, 905, 1490, 1810, 10877, 13213, 21754, 26426, 26969, 53938, 54385, 66065, 108770, 132130, 134845, 269690, 1968737, 3937474, 9843685, 19687370]

約数ペア:

[(1, 19687370), (2, 9843685), (5, 3937474), (10, 1968737), (73, 269690), (146, 134845), (149, 132130), (181, 108770), (298, 66065), (362, 54385), (365, 53938), (730, 26969), (745, 26426), (905, 21754), (1490, 13213), (1810, 10877)]