18311976

素因数分解:

$2^3\times 3^2\times {\mathrm{419}}^1\times {\mathrm{607}}^1$

素因数の和:1038

約数の個数: 48

約数和(自身を含む): 49795200

約数和(自身を除く): 31483224

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 419, 607, 838, 1214, 1257, 1676, 1821, 2428, 2514, 3352, 3642, 3771, 4856, 5028, 5463, 7284, 7542, 10056, 10926, 14568, 15084, 21852, 30168, 43704, 254333, 508666, 762999, 1017332, 1525998, 2034664, 2288997, 3051996, 4577994, 6103992, 9155988, 18311976]

約数ペア:

[(1, 18311976), (2, 9155988), (3, 6103992), (4, 4577994), (6, 3051996), (8, 2288997), (9, 2034664), (12, 1525998), (18, 1017332), (24, 762999), (36, 508666), (72, 254333), (419, 43704), (607, 30168), (838, 21852), (1214, 15084), (1257, 14568), (1676, 10926), (1821, 10056), (2428, 7542), (2514, 7284), (3352, 5463), (3642, 5028), (3771, 4856)]