19420005

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3181}}^1$

素因数の和:3237

約数の個数: 32

約数和(自身を含む): 34823808

約数和(自身を除く): 15403803

約数列:

[1, 3, 5, 11, 15, 33, 37, 55, 111, 165, 185, 407, 555, 1221, 2035, 3181, 6105, 9543, 15905, 34991, 47715, 104973, 117697, 174955, 353091, 524865, 588485, 1294667, 1765455, 3884001, 6473335, 19420005]

約数ペア:

[(1, 19420005), (3, 6473335), (5, 3884001), (11, 1765455), (15, 1294667), (33, 588485), (37, 524865), (55, 353091), (111, 174955), (165, 117697), (185, 104973), (407, 47715), (555, 34991), (1221, 15905), (2035, 9543), (3181, 6105)]