18738105

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{683}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 31518720

約数和(自身を除く): 12780615

約数列:

[1, 3, 5, 15, 31, 59, 93, 155, 177, 295, 465, 683, 885, 1829, 2049, 3415, 5487, 9145, 10245, 21173, 27435, 40297, 63519, 105865, 120891, 201485, 317595, 604455, 1249207, 3747621, 6246035, 18738105]

約数ペア:

[(1, 18738105), (3, 6246035), (5, 3747621), (15, 1249207), (31, 604455), (59, 317595), (93, 201485), (155, 120891), (177, 105865), (295, 63519), (465, 40297), (683, 27435), (885, 21173), (1829, 10245), (2049, 9145), (3415, 5487)]