19698904

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{379}}^1$

素因数の和:547

約数の個数: 32

約数和(自身を含む): 37962000

約数和(自身を除く): 18263096

約数列:

[1, 2, 4, 8, 73, 89, 146, 178, 292, 356, 379, 584, 712, 758, 1516, 3032, 6497, 12994, 25988, 27667, 33731, 51976, 55334, 67462, 110668, 134924, 221336, 269848, 2462363, 4924726, 9849452, 19698904]

約数ペア:

[(1, 19698904), (2, 9849452), (4, 4924726), (8, 2462363), (73, 269848), (89, 221336), (146, 134924), (178, 110668), (292, 67462), (356, 55334), (379, 51976), (584, 33731), (712, 27667), (758, 25988), (1516, 12994), (3032, 6497)]