19729878

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{1019}}^1$

素因数の和:1492

約数の個数: 32

約数和(自身を含む): 45239040

約数和(自身を除く): 25509162

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 461, 922, 1019, 1383, 2038, 2766, 3057, 3227, 6114, 6454, 7133, 9681, 14266, 19362, 21399, 42798, 469759, 939518, 1409277, 2818554, 3288313, 6576626, 9864939, 19729878]

約数ペア:

[(1, 19729878), (2, 9864939), (3, 6576626), (6, 3288313), (7, 2818554), (14, 1409277), (21, 939518), (42, 469759), (461, 42798), (922, 21399), (1019, 19362), (1383, 14266), (2038, 9681), (2766, 7133), (3057, 6454), (3227, 6114)]