19701678

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1451}}^1$

素因数の和:1560

約数の個数: 32

約数和(自身を含む): 41260032

約数和(自身を除く): 21558354

約数列:

[1, 2, 3, 6, 31, 62, 73, 93, 146, 186, 219, 438, 1451, 2263, 2902, 4353, 4526, 6789, 8706, 13578, 44981, 89962, 105923, 134943, 211846, 269886, 317769, 635538, 3283613, 6567226, 9850839, 19701678]

約数ペア:

[(1, 19701678), (2, 9850839), (3, 6567226), (6, 3283613), (31, 635538), (62, 317769), (73, 269886), (93, 211846), (146, 134943), (186, 105923), (219, 89962), (438, 44981), (1451, 13578), (2263, 8706), (2902, 6789), (4353, 4526)]