18949016

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{503}}^1$

素因数の和:803

約数の個数: 32

約数和(自身を含む): 37830240

約数和(自身を除く): 18881224

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 277, 503, 554, 1006, 1108, 2012, 2216, 4024, 4709, 8551, 9418, 17102, 18836, 34204, 37672, 68408, 139331, 278662, 557324, 1114648, 2368627, 4737254, 9474508, 18949016]

約数ペア:

[(1, 18949016), (2, 9474508), (4, 4737254), (8, 2368627), (17, 1114648), (34, 557324), (68, 278662), (136, 139331), (277, 68408), (503, 37672), (554, 34204), (1006, 18836), (1108, 17102), (2012, 9418), (2216, 8551), (4024, 4709)]