19946223

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{281}}^1$

素因数の和:540

約数の個数: 32

約数和(自身を含む): 32486400

約数和(自身を除く): 12540177

約数列:

[1, 3, 9, 11, 27, 33, 99, 239, 281, 297, 717, 843, 2151, 2529, 2629, 3091, 6453, 7587, 7887, 9273, 23661, 27819, 67159, 70983, 83457, 201477, 604431, 738749, 1813293, 2216247, 6648741, 19946223]

約数ペア:

[(1, 19946223), (3, 6648741), (9, 2216247), (11, 1813293), (27, 738749), (33, 604431), (99, 201477), (239, 83457), (281, 70983), (297, 67159), (717, 27819), (843, 23661), (2151, 9273), (2529, 7887), (2629, 7587), (3091, 6453)]