18930417

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 28892160

約数和(自身を除く): 9961743

約数列:

[1, 3, 11, 29, 33, 87, 131, 151, 319, 393, 453, 957, 1441, 1661, 3799, 4323, 4379, 4983, 11397, 13137, 19781, 41789, 48169, 59343, 125367, 144507, 217591, 573649, 652773, 1720947, 6310139, 18930417]

約数ペア:

[(1, 18930417), (3, 6310139), (11, 1720947), (29, 652773), (33, 573649), (87, 217591), (131, 144507), (151, 125367), (319, 59343), (393, 48169), (453, 41789), (957, 19781), (1441, 13137), (1661, 11397), (3799, 4983), (4323, 4379)]