19994552

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1297}}^1$

素因数の和:1391

約数の個数: 32

約数和(自身を含む): 39251520

約数和(自身を除く): 19256968

約数列:

[1, 2, 4, 8, 41, 47, 82, 94, 164, 188, 328, 376, 1297, 1927, 2594, 3854, 5188, 7708, 10376, 15416, 53177, 60959, 106354, 121918, 212708, 243836, 425416, 487672, 2499319, 4998638, 9997276, 19994552]

約数ペア:

[(1, 19994552), (2, 9997276), (4, 4998638), (8, 2499319), (41, 487672), (47, 425416), (82, 243836), (94, 212708), (164, 121918), (188, 106354), (328, 60959), (376, 53177), (1297, 15416), (1927, 10376), (2594, 7708), (3854, 5188)]