19870956

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{78853}}^1$

素因数の和:78870

約数の個数: 36

約数和(自身を含む): 57405712

約数和(自身を除く): 37534756

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 78853, 157706, 236559, 315412, 473118, 551971, 709677, 946236, 1103942, 1419354, 1655913, 2207884, 2838708, 3311826, 4967739, 6623652, 9935478, 19870956]

約数ペア:

[(1, 19870956), (2, 9935478), (3, 6623652), (4, 4967739), (6, 3311826), (7, 2838708), (9, 2207884), (12, 1655913), (14, 1419354), (18, 1103942), (21, 946236), (28, 709677), (36, 551971), (42, 473118), (63, 315412), (84, 236559), (126, 157706), (252, 78853)]