19649738

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{2027}}^1$

素因数の和:2197

約数の個数: 16

約数和(自身を含む): 30517344

約数和(自身を除く): 10867606

約数列:

[1, 2, 37, 74, 131, 262, 2027, 4054, 4847, 9694, 74999, 149998, 265537, 531074, 9824869, 19649738]

約数ペア:

[(1, 19649738), (2, 9824869), (37, 531074), (74, 265537), (131, 149998), (262, 74999), (2027, 9694), (4054, 4847)]