18390110

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2161}}^1$

素因数の和:2228

約数の個数: 32

約数和(自身を含む): 35491392

約数和(自身を除く): 17101282

約数列:

[1, 2, 5, 10, 23, 37, 46, 74, 115, 185, 230, 370, 851, 1702, 2161, 4255, 4322, 8510, 10805, 21610, 49703, 79957, 99406, 159914, 248515, 399785, 497030, 799570, 1839011, 3678022, 9195055, 18390110]

約数ペア:

[(1, 18390110), (2, 9195055), (5, 3678022), (10, 1839011), (23, 799570), (37, 497030), (46, 399785), (74, 248515), (115, 159914), (185, 99406), (230, 79957), (370, 49703), (851, 21610), (1702, 10805), (2161, 8510), (4255, 4322)]