18735632

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{68881}}^1$

素因数の和:68906

約数の個数: 20

約数和(自身を含む): 38436156

約数和(自身を除く): 19700524

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 68881, 137762, 275524, 551048, 1102096, 1170977, 2341954, 4683908, 9367816, 18735632]

約数ペア:

[(1, 18735632), (2, 9367816), (4, 4683908), (8, 2341954), (16, 1170977), (17, 1102096), (34, 551048), (68, 275524), (136, 137762), (272, 68881)]