19966908

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7529}}^1$

素因数の和:7566

約数の個数: 48

約数和(自身を含む): 53131680

約数和(自身を除く): 33164772

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 204, 221, 442, 663, 884, 1326, 2652, 7529, 15058, 22587, 30116, 45174, 90348, 97877, 127993, 195754, 255986, 293631, 383979, 391508, 511972, 587262, 767958, 1174524, 1535916, 1663909, 3327818, 4991727, 6655636, 9983454, 19966908]

約数ペア:

[(1, 19966908), (2, 9983454), (3, 6655636), (4, 4991727), (6, 3327818), (12, 1663909), (13, 1535916), (17, 1174524), (26, 767958), (34, 587262), (39, 511972), (51, 391508), (52, 383979), (68, 293631), (78, 255986), (102, 195754), (156, 127993), (204, 97877), (221, 90348), (442, 45174), (663, 30116), (884, 22587), (1326, 15058), (2652, 7529)]