19720578

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{487}}^1$

素因数の和:906

約数の個数: 32

約数和(自身を含む): 41952384

約数和(自身を除く): 22231806

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 397, 487, 794, 974, 1191, 1461, 2382, 2922, 6749, 8279, 13498, 16558, 20247, 24837, 40494, 49674, 193339, 386678, 580017, 1160034, 3286763, 6573526, 9860289, 19720578]

約数ペア:

[(1, 19720578), (2, 9860289), (3, 6573526), (6, 3286763), (17, 1160034), (34, 580017), (51, 386678), (102, 193339), (397, 49674), (487, 40494), (794, 24837), (974, 20247), (1191, 16558), (1461, 13498), (2382, 8279), (2922, 6749)]