19937355585

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4039991}}^1$

素因数の和:4040053

約数の個数: 32

約数和(自身を含む): 37232566272

約数和(自身を除く): 17295210687

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 105, 141, 235, 329, 705, 987, 1645, 4935, 4039991, 12119973, 20199955, 28279937, 60599865, 84839811, 141399685, 189879577, 424199055, 569638731, 949397885, 1329157039, 2848193655, 3987471117, 6645785195, 19937355585]

約数ペア:

[(1, 19937355585), (3, 6645785195), (5, 3987471117), (7, 2848193655), (15, 1329157039), (21, 949397885), (35, 569638731), (47, 424199055), (105, 189879577), (141, 141399685), (235, 84839811), (329, 60599865), (705, 28279937), (987, 20199955), (1645, 12119973), (4935, 4039991)]