18444850

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{373}}^1$

素因数の和:451

約数の個数: 48

約数和(自身を含む): 36729792

約数和(自身を除く): 18284942

約数列:

[1, 2, 5, 10, 23, 25, 43, 46, 50, 86, 115, 215, 230, 373, 430, 575, 746, 989, 1075, 1150, 1865, 1978, 2150, 3730, 4945, 8579, 9325, 9890, 16039, 17158, 18650, 24725, 32078, 42895, 49450, 80195, 85790, 160390, 214475, 368897, 400975, 428950, 737794, 801950, 1844485, 3688970, 9222425, 18444850]

約数ペア:

[(1, 18444850), (2, 9222425), (5, 3688970), (10, 1844485), (23, 801950), (25, 737794), (43, 428950), (46, 400975), (50, 368897), (86, 214475), (115, 160390), (215, 85790), (230, 80195), (373, 49450), (430, 42895), (575, 32078), (746, 24725), (989, 18650), (1075, 17158), (1150, 16039), (1865, 9890), (1978, 9325), (2150, 8579), (3730, 4945)]