18919544

素因数分解:

$2^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2579}}^1$

素因数の和:2723

約数の個数: 32

約数和(自身を含む): 40867200

約数和(自身を除く): 21947656

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 131, 262, 524, 917, 1048, 1834, 2579, 3668, 5158, 7336, 10316, 18053, 20632, 36106, 72212, 144424, 337849, 675698, 1351396, 2364943, 2702792, 4729886, 9459772, 18919544]

約数ペア:

[(1, 18919544), (2, 9459772), (4, 4729886), (7, 2702792), (8, 2364943), (14, 1351396), (28, 675698), (56, 337849), (131, 144424), (262, 72212), (524, 36106), (917, 20632), (1048, 18053), (1834, 10316), (2579, 7336), (3668, 5158)]