18395937

素因数分解:

$3^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{743}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 31426560

約数和(自身を除く): 13030623

約数列:

[1, 3, 7, 9, 21, 27, 63, 131, 189, 393, 743, 917, 1179, 2229, 2751, 3537, 5201, 6687, 8253, 15603, 20061, 24759, 46809, 97333, 140427, 291999, 681331, 875997, 2043993, 2627991, 6131979, 18395937]

約数ペア:

[(1, 18395937), (3, 6131979), (7, 2627991), (9, 2043993), (21, 875997), (27, 681331), (63, 291999), (131, 140427), (189, 97333), (393, 46809), (743, 24759), (917, 20061), (1179, 15603), (2229, 8253), (2751, 6687), (3537, 5201)]