19935238

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:252

約数の個数: 32

約数和(自身を含む): 32348160

約数和(自身を除く): 12412922

約数列:

[1, 2, 29, 47, 58, 71, 94, 103, 142, 206, 1363, 2059, 2726, 2987, 3337, 4118, 4841, 5974, 6674, 7313, 9682, 14626, 96773, 140389, 193546, 212077, 280778, 343711, 424154, 687422, 9967619, 19935238]

約数ペア:

[(1, 19935238), (2, 9967619), (29, 687422), (47, 424154), (58, 343711), (71, 280778), (94, 212077), (103, 193546), (142, 140389), (206, 96773), (1363, 14626), (2059, 9682), (2726, 7313), (2987, 6674), (3337, 5974), (4118, 4841)]