1664795390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{236813}}^1$

素因数の和:236876

約数の個数: 32

約数和(自身を含む): 3239615520

約数和(自身を除く): 1574820130

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 185, 190, 370, 703, 1406, 3515, 7030, 236813, 473626, 1184065, 2368130, 4499447, 8762081, 8998894, 17524162, 22497235, 43810405, 44994470, 87620810, 166479539, 332959078, 832397695, 1664795390]

約数ペア:

[(1, 1664795390), (2, 832397695), (5, 332959078), (10, 166479539), (19, 87620810), (37, 44994470), (38, 43810405), (74, 22497235), (95, 17524162), (185, 8998894), (190, 8762081), (370, 4499447), (703, 2368130), (1406, 1184065), (3515, 473626), (7030, 236813)]