18742816

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1063}}^1$

素因数の和:1121

約数の個数: 48

約数和(自身を含む): 40219200

約数和(自身を除く): 21476384

約数列:

[1, 2, 4, 8, 16, 19, 29, 32, 38, 58, 76, 116, 152, 232, 304, 464, 551, 608, 928, 1063, 1102, 2126, 2204, 4252, 4408, 8504, 8816, 17008, 17632, 20197, 30827, 34016, 40394, 61654, 80788, 123308, 161576, 246616, 323152, 493232, 585713, 646304, 986464, 1171426, 2342852, 4685704, 9371408, 18742816]

約数ペア:

[(1, 18742816), (2, 9371408), (4, 4685704), (8, 2342852), (16, 1171426), (19, 986464), (29, 646304), (32, 585713), (38, 493232), (58, 323152), (76, 246616), (116, 161576), (152, 123308), (232, 80788), (304, 61654), (464, 40394), (551, 34016), (608, 30827), (928, 20197), (1063, 17632), (1102, 17008), (2126, 8816), (2204, 8504), (4252, 4408)]