18326320

素因数分解:

$2^4\times 5^1\times {\mathrm{277}}^1\times {\mathrm{827}}^1$

素因数の和:1117

約数の個数: 40

約数和(自身を含む): 42814224

約数和(自身を除く): 24487904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 277, 554, 827, 1108, 1385, 1654, 2216, 2770, 3308, 4135, 4432, 5540, 6616, 8270, 11080, 13232, 16540, 22160, 33080, 66160, 229079, 458158, 916316, 1145395, 1832632, 2290790, 3665264, 4581580, 9163160, 18326320]

約数ペア:

[(1, 18326320), (2, 9163160), (4, 4581580), (5, 3665264), (8, 2290790), (10, 1832632), (16, 1145395), (20, 916316), (40, 458158), (80, 229079), (277, 66160), (554, 33080), (827, 22160), (1108, 16540), (1385, 13232), (1654, 11080), (2216, 8270), (2770, 6616), (3308, 5540), (4135, 4432)]