19221894

素因数分解:

$2^1\times 3^3\times {\mathrm{149}}^1\times {\mathrm{2389}}^1$

素因数の和:2549

約数の個数: 32

約数和(自身を含む): 43020000

約数和(自身を除く): 23798106

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 149, 298, 447, 894, 1341, 2389, 2682, 4023, 4778, 7167, 8046, 14334, 21501, 43002, 64503, 129006, 355961, 711922, 1067883, 2135766, 3203649, 6407298, 9610947, 19221894]

約数ペア:

[(1, 19221894), (2, 9610947), (3, 6407298), (6, 3203649), (9, 2135766), (18, 1067883), (27, 711922), (54, 355961), (149, 129006), (298, 64503), (447, 43002), (894, 21501), (1341, 14334), (2389, 8046), (2682, 7167), (4023, 4778)]