20199821218

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{1231}}^1\times {\mathrm{221747}}^1$

素因数の和:223017

約数の個数: 16

約数和(自身を含む): 31144063104

約数和(自身を除く): 10944241886

約数列:

[1, 2, 37, 74, 1231, 2462, 45547, 91094, 221747, 443494, 8204639, 16409278, 272970557, 545941114, 10099910609, 20199821218]

約数ペア:

[(1, 20199821218), (2, 10099910609), (37, 545941114), (74, 272970557), (1231, 16409278), (2462, 8204639), (45547, 443494), (91094, 221747)]