19680296

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{277}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 37830240

約数和(自身を除く): 18149944

約数列:

[1, 2, 4, 8, 83, 107, 166, 214, 277, 332, 428, 554, 664, 856, 1108, 2216, 8881, 17762, 22991, 29639, 35524, 45982, 59278, 71048, 91964, 118556, 183928, 237112, 2460037, 4920074, 9840148, 19680296]

約数ペア:

[(1, 19680296), (2, 9840148), (4, 4920074), (8, 2460037), (83, 237112), (107, 183928), (166, 118556), (214, 91964), (277, 71048), (332, 59278), (428, 45982), (554, 35524), (664, 29639), (856, 22991), (1108, 17762), (2216, 8881)]