18464264

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1951}}^1$

素因数の和:1990

約数の個数: 48

約数和(自身を含む): 42865920

約数和(自身を除く): 24401656

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 169, 182, 338, 364, 676, 728, 1183, 1352, 1951, 2366, 3902, 4732, 7804, 9464, 13657, 15608, 25363, 27314, 50726, 54628, 101452, 109256, 177541, 202904, 329719, 355082, 659438, 710164, 1318876, 1420328, 2308033, 2637752, 4616066, 9232132, 18464264]

約数ペア:

[(1, 18464264), (2, 9232132), (4, 4616066), (7, 2637752), (8, 2308033), (13, 1420328), (14, 1318876), (26, 710164), (28, 659438), (52, 355082), (56, 329719), (91, 202904), (104, 177541), (169, 109256), (182, 101452), (338, 54628), (364, 50726), (676, 27314), (728, 25363), (1183, 15608), (1352, 13657), (1951, 9464), (2366, 7804), (3902, 4732)]