18478304

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1033}}^1$

素因数の和:1099

約数の個数: 48

約数和(自身を含む): 40127472

約数和(自身を除く): 21649168

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 86, 104, 172, 208, 344, 416, 559, 688, 1033, 1118, 1376, 2066, 2236, 4132, 4472, 8264, 8944, 13429, 16528, 17888, 26858, 33056, 44419, 53716, 88838, 107432, 177676, 214864, 355352, 429728, 577447, 710704, 1154894, 1421408, 2309788, 4619576, 9239152, 18478304]

約数ペア:

[(1, 18478304), (2, 9239152), (4, 4619576), (8, 2309788), (13, 1421408), (16, 1154894), (26, 710704), (32, 577447), (43, 429728), (52, 355352), (86, 214864), (104, 177676), (172, 107432), (208, 88838), (344, 53716), (416, 44419), (559, 33056), (688, 26858), (1033, 17888), (1118, 16528), (1376, 13429), (2066, 8944), (2236, 8264), (4132, 4472)]