19237986

素因数分解:

$2^1\times 3^4\times {\mathrm{149}}^1\times {\mathrm{797}}^1$

素因数の和:960

約数の個数: 40

約数和(自身を含む): 43451100

約数和(自身を除く): 24213114

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 149, 162, 298, 447, 797, 894, 1341, 1594, 2391, 2682, 4023, 4782, 7173, 8046, 12069, 14346, 21519, 24138, 43038, 64557, 118753, 129114, 237506, 356259, 712518, 1068777, 2137554, 3206331, 6412662, 9618993, 19237986]

約数ペア:

[(1, 19237986), (2, 9618993), (3, 6412662), (6, 3206331), (9, 2137554), (18, 1068777), (27, 712518), (54, 356259), (81, 237506), (149, 129114), (162, 118753), (298, 64557), (447, 43038), (797, 24138), (894, 21519), (1341, 14346), (1594, 12069), (2391, 8046), (2682, 7173), (4023, 4782)]