19809536

素因数分解:

$2^8\times {\mathrm{223}}^1\times {\mathrm{347}}^1$

素因数の和:586

約数の個数: 36

約数和(自身を含む): 39833472

約数和(自身を除く): 20023936

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 223, 256, 347, 446, 694, 892, 1388, 1784, 2776, 3568, 5552, 7136, 11104, 14272, 22208, 28544, 44416, 57088, 77381, 88832, 154762, 309524, 619048, 1238096, 2476192, 4952384, 9904768, 19809536]

約数ペア:

[(1, 19809536), (2, 9904768), (4, 4952384), (8, 2476192), (16, 1238096), (32, 619048), (64, 309524), (128, 154762), (223, 88832), (256, 77381), (347, 57088), (446, 44416), (694, 28544), (892, 22208), (1388, 14272), (1784, 11104), (2776, 7136), (3568, 5552)]