18416715

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{173}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 30468096

約数和(自身を除く): 12051381

約数列:

[1, 3, 5, 15, 47, 141, 151, 173, 235, 453, 519, 705, 755, 865, 2265, 2595, 7097, 8131, 21291, 24393, 26123, 35485, 40655, 78369, 106455, 121965, 130615, 391845, 1227781, 3683343, 6138905, 18416715]

約数ペア:

[(1, 18416715), (3, 6138905), (5, 3683343), (15, 1227781), (47, 391845), (141, 130615), (151, 121965), (173, 106455), (235, 78369), (453, 40655), (519, 35485), (705, 26123), (755, 24393), (865, 21291), (2265, 8131), (2595, 7097)]