19845424

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{673}}^1$

素因数の和:797

約数の個数: 40

約数和(自身を含む): 40952240

約数和(自身を除く): 21106816

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 97, 152, 194, 304, 388, 673, 776, 1346, 1552, 1843, 2692, 3686, 5384, 7372, 10768, 12787, 14744, 25574, 29488, 51148, 65281, 102296, 130562, 204592, 261124, 522248, 1044496, 1240339, 2480678, 4961356, 9922712, 19845424]

約数ペア:

[(1, 19845424), (2, 9922712), (4, 4961356), (8, 2480678), (16, 1240339), (19, 1044496), (38, 522248), (76, 261124), (97, 204592), (152, 130562), (194, 102296), (304, 65281), (388, 51148), (673, 29488), (776, 25574), (1346, 14744), (1552, 12787), (1843, 10768), (2692, 7372), (3686, 5384)]