19489970

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{839}}^1$

素因数の和:970

約数の個数: 32

約数和(自身を含む): 37013760

約数和(自身を除く): 17523790

約数列:

[1, 2, 5, 10, 23, 46, 101, 115, 202, 230, 505, 839, 1010, 1678, 2323, 4195, 4646, 8390, 11615, 19297, 23230, 38594, 84739, 96485, 169478, 192970, 423695, 847390, 1948997, 3897994, 9744985, 19489970]

約数ペア:

[(1, 19489970), (2, 9744985), (5, 3897994), (10, 1948997), (23, 847390), (46, 423695), (101, 192970), (115, 169478), (202, 96485), (230, 84739), (505, 38594), (839, 23230), (1010, 19297), (1678, 11615), (2323, 8390), (4195, 4646)]