1821987572

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1\times {\mathrm{743}}^1$

素因数の和:1112

約数の個数: 48

約数和(自身を含む): 3341036160

約数和(自身を除く): 1519048588

約数列:

[1, 2, 4, 43, 53, 86, 106, 172, 212, 269, 538, 743, 1076, 1486, 2279, 2972, 4558, 9116, 11567, 14257, 23134, 28514, 31949, 39379, 46268, 57028, 63898, 78758, 127796, 157516, 199867, 399734, 613051, 799468, 1226102, 1693297, 2452204, 3386594, 6773188, 8594281, 10592951, 17188562, 21185902, 34377124, 42371804, 455496893, 910993786, 1821987572]

約数ペア:

[(1, 1821987572), (2, 910993786), (4, 455496893), (43, 42371804), (53, 34377124), (86, 21185902), (106, 17188562), (172, 10592951), (212, 8594281), (269, 6773188), (538, 3386594), (743, 2452204), (1076, 1693297), (1486, 1226102), (2279, 799468), (2972, 613051), (4558, 399734), (9116, 199867), (11567, 157516), (14257, 127796), (23134, 78758), (28514, 63898), (31949, 57028), (39379, 46268)]