18220384

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6257}}^1$

素因数の和:6287

約数の個数: 48

約数和(自身を含む): 44156448

約数和(自身を除く): 25936064

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 6257, 12514, 25028, 43799, 50056, 81341, 87598, 100112, 162682, 175196, 200224, 325364, 350392, 569387, 650728, 700784, 1138774, 1301456, 1401568, 2277548, 2602912, 4555096, 9110192, 18220384]

約数ペア:

[(1, 18220384), (2, 9110192), (4, 4555096), (7, 2602912), (8, 2277548), (13, 1401568), (14, 1301456), (16, 1138774), (26, 700784), (28, 650728), (32, 569387), (52, 350392), (56, 325364), (91, 200224), (104, 175196), (112, 162682), (182, 100112), (208, 87598), (224, 81341), (364, 50056), (416, 43799), (728, 25028), (1456, 12514), (2912, 6257)]