19961334

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{431}}^1$

素因数の和:553

約数の個数: 48

約数和(自身を含む): 45287424

約数和(自身を除く): 25326090

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 83, 93, 166, 186, 249, 279, 431, 498, 558, 747, 862, 1293, 1494, 2573, 2586, 3879, 5146, 7719, 7758, 13361, 15438, 23157, 26722, 35773, 40083, 46314, 71546, 80166, 107319, 120249, 214638, 240498, 321957, 643914, 1108963, 2217926, 3326889, 6653778, 9980667, 19961334]

約数ペア:

[(1, 19961334), (2, 9980667), (3, 6653778), (6, 3326889), (9, 2217926), (18, 1108963), (31, 643914), (62, 321957), (83, 240498), (93, 214638), (166, 120249), (186, 107319), (249, 80166), (279, 71546), (431, 46314), (498, 40083), (558, 35773), (747, 26722), (862, 23157), (1293, 15438), (1494, 13361), (2573, 7758), (2586, 7719), (3879, 5146)]