18219045

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{7187}}^1$

素因数の和:7221

約数の個数: 24

約数和(自身を含む): 31569696

約数和(自身を除く): 13350651

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 7187, 21561, 35935, 93431, 107805, 280293, 467155, 1214603, 1401465, 3643809, 6073015, 18219045]

約数ペア:

[(1, 18219045), (3, 6073015), (5, 3643809), (13, 1401465), (15, 1214603), (39, 467155), (65, 280293), (169, 107805), (195, 93431), (507, 35935), (845, 21561), (2535, 7187)]