19724176

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{42509}}^1$

素因数の和:42546

約数の個数: 20

約数和(自身を含む): 39534300

約数和(自身を除く): 19810124

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 42509, 85018, 170036, 340072, 680144, 1232761, 2465522, 4931044, 9862088, 19724176]

約数ペア:

[(1, 19724176), (2, 9862088), (4, 4931044), (8, 2465522), (16, 1232761), (29, 680144), (58, 340072), (116, 170036), (232, 85018), (464, 42509)]