19500855

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1619}}^1$

素因数の和:1711

約数の個数: 32

約数和(自身を含む): 34525440

約数和(自身を除く): 15024585

約数列:

[1, 3, 5, 11, 15, 33, 55, 73, 165, 219, 365, 803, 1095, 1619, 2409, 4015, 4857, 8095, 12045, 17809, 24285, 53427, 89045, 118187, 267135, 354561, 590935, 1300057, 1772805, 3900171, 6500285, 19500855]

約数ペア:

[(1, 19500855), (3, 6500285), (5, 3900171), (11, 1772805), (15, 1300057), (33, 590935), (55, 354561), (73, 267135), (165, 118187), (219, 89045), (365, 53427), (803, 24285), (1095, 17809), (1619, 12045), (2409, 8095), (4015, 4857)]