19834947

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 33785856

約数和(自身を除く): 13950909

約数列:

[1, 3, 9, 11, 23, 31, 33, 69, 93, 99, 207, 253, 279, 281, 341, 713, 759, 843, 1023, 2139, 2277, 2529, 3069, 3091, 6417, 6463, 7843, 8711, 9273, 19389, 23529, 26133, 27819, 58167, 70587, 71093, 78399, 95821, 200353, 213279, 287463, 601059, 639837, 862389, 1803177, 2203883, 6611649, 19834947]

約数ペア:

[(1, 19834947), (3, 6611649), (9, 2203883), (11, 1803177), (23, 862389), (31, 639837), (33, 601059), (69, 287463), (93, 213279), (99, 200353), (207, 95821), (253, 78399), (279, 71093), (281, 70587), (341, 58167), (713, 27819), (759, 26133), (843, 23529), (1023, 19389), (2139, 9273), (2277, 8711), (2529, 7843), (3069, 6463), (3091, 6417)]