19777814

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1$

素因数の和:468

約数の個数: 32

約数和(自身を含む): 35328000

約数和(自身を除く): 15550186

約数列:

[1, 2, 7, 14, 31, 62, 199, 217, 229, 398, 434, 458, 1393, 1603, 2786, 3206, 6169, 7099, 12338, 14198, 43183, 45571, 49693, 86366, 91142, 99386, 318997, 637994, 1412701, 2825402, 9888907, 19777814]

約数ペア:

[(1, 19777814), (2, 9888907), (7, 2825402), (14, 1412701), (31, 637994), (62, 318997), (199, 99386), (217, 91142), (229, 86366), (398, 49693), (434, 45571), (458, 43183), (1393, 14198), (1603, 12338), (2786, 7099), (3206, 6169)]