18490850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2297}}^1$

素因数の和:2339

約数の個数: 48

約数和(自身を含む): 41033088

約数和(自身を除く): 22542238

約数列:

[1, 2, 5, 7, 10, 14, 23, 25, 35, 46, 50, 70, 115, 161, 175, 230, 322, 350, 575, 805, 1150, 1610, 2297, 4025, 4594, 8050, 11485, 16079, 22970, 32158, 52831, 57425, 80395, 105662, 114850, 160790, 264155, 369817, 401975, 528310, 739634, 803950, 1320775, 1849085, 2641550, 3698170, 9245425, 18490850]

約数ペア:

[(1, 18490850), (2, 9245425), (5, 3698170), (7, 2641550), (10, 1849085), (14, 1320775), (23, 803950), (25, 739634), (35, 528310), (46, 401975), (50, 369817), (70, 264155), (115, 160790), (161, 114850), (175, 105662), (230, 80395), (322, 57425), (350, 52831), (575, 32158), (805, 22970), (1150, 16079), (1610, 11485), (2297, 8050), (4025, 4594)]