19870876

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{839}}^1$

素因数の和:1065

約数の個数: 24

約数和(自身を含む): 36126720

約数和(自身を除く): 16255844

約数列:

[1, 2, 4, 31, 62, 124, 191, 382, 764, 839, 1678, 3356, 5921, 11842, 23684, 26009, 52018, 104036, 160249, 320498, 640996, 4967719, 9935438, 19870876]

約数ペア:

[(1, 19870876), (2, 9935438), (4, 4967719), (31, 640996), (62, 320498), (124, 160249), (191, 104036), (382, 52018), (764, 26009), (839, 23684), (1678, 11842), (3356, 5921)]