18084872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:282

約数の個数: 64

約数和(自身を含む): 39599280

約数和(自身を除く): 21514408

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 53, 68, 104, 106, 136, 193, 212, 221, 386, 424, 442, 689, 772, 884, 901, 1378, 1544, 1768, 1802, 2509, 2756, 3281, 3604, 5018, 5512, 6562, 7208, 10036, 10229, 11713, 13124, 20072, 20458, 23426, 26248, 40916, 42653, 46852, 81832, 85306, 93704, 132977, 170612, 173893, 265954, 341224, 347786, 531908, 695572, 1063816, 1391144, 2260609, 4521218, 9042436, 18084872]

約数ペア:

[(1, 18084872), (2, 9042436), (4, 4521218), (8, 2260609), (13, 1391144), (17, 1063816), (26, 695572), (34, 531908), (52, 347786), (53, 341224), (68, 265954), (104, 173893), (106, 170612), (136, 132977), (193, 93704), (212, 85306), (221, 81832), (386, 46852), (424, 42653), (442, 40916), (689, 26248), (772, 23426), (884, 20458), (901, 20072), (1378, 13124), (1544, 11713), (1768, 10229), (1802, 10036), (2509, 7208), (2756, 6562), (3281, 5512), (3604, 5018)]