18155956

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1609}}^1$

素因数の和:1664

約数の個数: 48

約数和(自身を含む): 40391680

約数和(自身を除く): 22235724

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1609, 1612, 2821, 3218, 5642, 6436, 11263, 11284, 20917, 22526, 41834, 45052, 49879, 83668, 99758, 146419, 199516, 292838, 349153, 585676, 648427, 698306, 1296854, 1396612, 2593708, 4538989, 9077978, 18155956]

約数ペア:

[(1, 18155956), (2, 9077978), (4, 4538989), (7, 2593708), (13, 1396612), (14, 1296854), (26, 698306), (28, 648427), (31, 585676), (52, 349153), (62, 292838), (91, 199516), (124, 146419), (182, 99758), (217, 83668), (364, 49879), (403, 45052), (434, 41834), (806, 22526), (868, 20917), (1609, 11284), (1612, 11263), (2821, 6436), (3218, 5642)]