18888470

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1117}}^1$

素因数の和:1232

約数の個数: 32

約数和(自身を含む): 36223200

約数和(自身を除く): 17334730

約数列:

[1, 2, 5, 10, 19, 38, 89, 95, 178, 190, 445, 890, 1117, 1691, 2234, 3382, 5585, 8455, 11170, 16910, 21223, 42446, 99413, 106115, 198826, 212230, 497065, 994130, 1888847, 3777694, 9444235, 18888470]

約数ペア:

[(1, 18888470), (2, 9444235), (5, 3777694), (10, 1888847), (19, 994130), (38, 497065), (89, 212230), (95, 198826), (178, 106115), (190, 99413), (445, 42446), (890, 21223), (1117, 16910), (1691, 11170), (2234, 8455), (3382, 5585)]