19741652

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^2\times {\mathrm{251}}^1$

素因数の和:368

約数の個数: 36

約数和(自身を含む): 40402656

約数和(自身を除く): 20661004

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 251, 371, 502, 742, 1004, 1484, 1757, 2809, 3514, 5618, 7028, 11236, 13303, 19663, 26606, 39326, 53212, 78652, 93121, 186242, 372484, 705059, 1410118, 2820236, 4935413, 9870826, 19741652]

約数ペア:

[(1, 19741652), (2, 9870826), (4, 4935413), (7, 2820236), (14, 1410118), (28, 705059), (53, 372484), (106, 186242), (212, 93121), (251, 78652), (371, 53212), (502, 39326), (742, 26606), (1004, 19663), (1484, 13303), (1757, 11236), (2809, 7028), (3514, 5618)]