19828746

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{52457}}^1$

素因数の和:52475

約数の個数: 32

約数和(自身を含む): 50359680

約数和(自身を除く): 30530934

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 52457, 104914, 157371, 314742, 367199, 472113, 734398, 944226, 1101597, 1416339, 2203194, 2832678, 3304791, 6609582, 9914373, 19828746]

約数ペア:

[(1, 19828746), (2, 9914373), (3, 6609582), (6, 3304791), (7, 2832678), (9, 2203194), (14, 1416339), (18, 1101597), (21, 944226), (27, 734398), (42, 472113), (54, 367199), (63, 314742), (126, 157371), (189, 104914), (378, 52457)]