19829584

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{39979}}^1$

素因数の和:40018

約数の個数: 20

約数和(自身を含む): 39660160

約数和(自身を除く): 19830576

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 39979, 79958, 159916, 319832, 639664, 1239349, 2478698, 4957396, 9914792, 19829584]

約数ペア:

[(1, 19829584), (2, 9914792), (4, 4957396), (8, 2478698), (16, 1239349), (31, 639664), (62, 319832), (124, 159916), (248, 79958), (496, 39979)]