17971948

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2657}}^1$

素因数の和:2769

約数の個数: 24

約数和(自身を含む): 33490800

約数和(自身を除く): 15518852

約数列:

[1, 2, 4, 19, 38, 76, 89, 178, 356, 1691, 2657, 3382, 5314, 6764, 10628, 50483, 100966, 201932, 236473, 472946, 945892, 4492987, 8985974, 17971948]

約数ペア:

[(1, 17971948), (2, 8985974), (4, 4492987), (19, 945892), (38, 472946), (76, 236473), (89, 201932), (178, 100966), (356, 50483), (1691, 10628), (2657, 6764), (3382, 5314)]