19756218

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{599}}^1$

素因数の和:866

約数の個数: 32

約数和(自身を含む): 41472000

約数和(自身を除く): 21715782

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 239, 478, 599, 717, 1198, 1434, 1797, 3594, 5497, 10994, 13777, 16491, 27554, 32982, 41331, 82662, 143161, 286322, 429483, 858966, 3292703, 6585406, 9878109, 19756218]

約数ペア:

[(1, 19756218), (2, 9878109), (3, 6585406), (6, 3292703), (23, 858966), (46, 429483), (69, 286322), (138, 143161), (239, 82662), (478, 41331), (599, 32982), (717, 27554), (1198, 16491), (1434, 13777), (1797, 10994), (3594, 5497)]