19957434

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{739}}^1$

素因数の和:1394

約数の個数: 32

約数和(自身を含む): 45749760

約数和(自身を除く): 25792326

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 643, 739, 1286, 1478, 1929, 2217, 3858, 4434, 4501, 5173, 9002, 10346, 13503, 15519, 27006, 31038, 475177, 950354, 1425531, 2851062, 3326239, 6652478, 9978717, 19957434]

約数ペア:

[(1, 19957434), (2, 9978717), (3, 6652478), (6, 3326239), (7, 2851062), (14, 1425531), (21, 950354), (42, 475177), (643, 31038), (739, 27006), (1286, 15519), (1478, 13503), (1929, 10346), (2217, 9002), (3858, 5173), (4434, 4501)]