18126448

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{457}}^1$

素因数の和:569

約数の個数: 40

約数和(自身を含む): 36687632

約数和(自身を除く): 18561184

約数列:

[1, 2, 4, 8, 16, 37, 67, 74, 134, 148, 268, 296, 457, 536, 592, 914, 1072, 1828, 2479, 3656, 4958, 7312, 9916, 16909, 19832, 30619, 33818, 39664, 61238, 67636, 122476, 135272, 244952, 270544, 489904, 1132903, 2265806, 4531612, 9063224, 18126448]

約数ペア:

[(1, 18126448), (2, 9063224), (4, 4531612), (8, 2265806), (16, 1132903), (37, 489904), (67, 270544), (74, 244952), (134, 135272), (148, 122476), (268, 67636), (296, 61238), (457, 39664), (536, 33818), (592, 30619), (914, 19832), (1072, 16909), (1828, 9916), (2479, 7312), (3656, 4958)]