19961292

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{643}}^1$

素因数の和:862

約数の個数: 48

約数和(自身を含む): 50489600

約数和(自身を除く): 30528308

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 199, 398, 597, 643, 796, 1194, 1286, 1929, 2388, 2572, 2587, 3858, 5174, 7716, 7761, 8359, 10348, 15522, 16718, 25077, 31044, 33436, 50154, 100308, 127957, 255914, 383871, 511828, 767742, 1535484, 1663441, 3326882, 4990323, 6653764, 9980646, 19961292]

約数ペア:

[(1, 19961292), (2, 9980646), (3, 6653764), (4, 4990323), (6, 3326882), (12, 1663441), (13, 1535484), (26, 767742), (39, 511828), (52, 383871), (78, 255914), (156, 127957), (199, 100308), (398, 50154), (597, 33436), (643, 31044), (796, 25077), (1194, 16718), (1286, 15522), (1929, 10348), (2388, 8359), (2572, 7761), (2587, 7716), (3858, 5174)]