19828544

素因数分解:

$2^6\times {\mathrm{491}}^1\times {\mathrm{631}}^1$

素因数の和:1134

約数の個数: 28

約数和(自身を含む): 39489888

約数和(自身を除く): 19661344

約数列:

[1, 2, 4, 8, 16, 32, 64, 491, 631, 982, 1262, 1964, 2524, 3928, 5048, 7856, 10096, 15712, 20192, 31424, 40384, 309821, 619642, 1239284, 2478568, 4957136, 9914272, 19828544]

約数ペア:

[(1, 19828544), (2, 9914272), (4, 4957136), (8, 2478568), (16, 1239284), (32, 619642), (64, 309821), (491, 40384), (631, 31424), (982, 20192), (1262, 15712), (1964, 10096), (2524, 7856), (3928, 5048)]