19489796

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{617}}^1$

素因数の和:823

約数の個数: 24

約数和(自身を含む): 35040600

約数和(自身を除く): 15550804

約数列:

[1, 2, 4, 53, 106, 149, 212, 298, 596, 617, 1234, 2468, 7897, 15794, 31588, 32701, 65402, 91933, 130804, 183866, 367732, 4872449, 9744898, 19489796]

約数ペア:

[(1, 19489796), (2, 9744898), (4, 4872449), (53, 367732), (106, 183866), (149, 130804), (212, 91933), (298, 65402), (596, 32701), (617, 31588), (1234, 15794), (2468, 7897)]