18378468

素因数分解:

$2^2\times 3^3\times {\mathrm{379}}^1\times {\mathrm{449}}^1$

素因数の和:841

約数の個数: 48

約数和(自身を含む): 47880000

約数和(自身を除く): 29501532

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 379, 449, 758, 898, 1137, 1347, 1516, 1796, 2274, 2694, 3411, 4041, 4548, 5388, 6822, 8082, 10233, 12123, 13644, 16164, 20466, 24246, 40932, 48492, 170171, 340342, 510513, 680684, 1021026, 1531539, 2042052, 3063078, 4594617, 6126156, 9189234, 18378468]

約数ペア:

[(1, 18378468), (2, 9189234), (3, 6126156), (4, 4594617), (6, 3063078), (9, 2042052), (12, 1531539), (18, 1021026), (27, 680684), (36, 510513), (54, 340342), (108, 170171), (379, 48492), (449, 40932), (758, 24246), (898, 20466), (1137, 16164), (1347, 13644), (1516, 12123), (1796, 10233), (2274, 8082), (2694, 6822), (3411, 5388), (4041, 4548)]