19857642

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{9649}}^1$

素因数の和:9675

約数の個数: 32

約数和(自身を含む): 46320000

約数和(自身を除く): 26462358

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 343, 686, 1029, 2058, 9649, 19298, 28947, 57894, 67543, 135086, 202629, 405258, 472801, 945602, 1418403, 2836806, 3309607, 6619214, 9928821, 19857642]

約数ペア:

[(1, 19857642), (2, 9928821), (3, 6619214), (6, 3309607), (7, 2836806), (14, 1418403), (21, 945602), (42, 472801), (49, 405258), (98, 202629), (147, 135086), (294, 67543), (343, 57894), (686, 28947), (1029, 19298), (2058, 9649)]