18402957

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{3391}}^1$

素因数の和:3470

約数の個数: 20

約数和(自身を含む): 27909376

約数和(自身を除く): 9506419

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 3391, 5427, 10173, 30519, 91557, 227197, 274671, 681591, 2044773, 6134319, 18402957]

約数ペア:

[(1, 18402957), (3, 6134319), (9, 2044773), (27, 681591), (67, 274671), (81, 227197), (201, 91557), (603, 30519), (1809, 10173), (3391, 5427)]