18804977540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1\times {\mathrm{94621}}^1$

素因数の和:95172

約数の個数: 48

約数和(自身を含む): 41648819520

約数和(自身を除く): 22843841980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 523, 1046, 2092, 2615, 5230, 9937, 10460, 19874, 39748, 49685, 94621, 99370, 189242, 198740, 378484, 473105, 946210, 1797799, 1892420, 3595598, 7191196, 8988995, 17977990, 35955980, 49486783, 98973566, 197947132, 247433915, 494867830, 940248877, 989735660, 1880497754, 3760995508, 4701244385, 9402488770, 18804977540]

約数ペア:

[(1, 18804977540), (2, 9402488770), (4, 4701244385), (5, 3760995508), (10, 1880497754), (19, 989735660), (20, 940248877), (38, 494867830), (76, 247433915), (95, 197947132), (190, 98973566), (380, 49486783), (523, 35955980), (1046, 17977990), (2092, 8988995), (2615, 7191196), (5230, 3595598), (9937, 1892420), (10460, 1797799), (19874, 946210), (39748, 473105), (49685, 378484), (94621, 198740), (99370, 189242)]