19420755

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{821}}^1$

素因数の和:931

約数の個数: 32

約数和(自身を含む): 33143040

約数和(自身を除く): 13722285

約数列:

[1, 3, 5, 15, 19, 57, 83, 95, 249, 285, 415, 821, 1245, 1577, 2463, 4105, 4731, 7885, 12315, 15599, 23655, 46797, 68143, 77995, 204429, 233985, 340715, 1022145, 1294717, 3884151, 6473585, 19420755]

約数ペア:

[(1, 19420755), (3, 6473585), (5, 3884151), (15, 1294717), (19, 1022145), (57, 340715), (83, 233985), (95, 204429), (249, 77995), (285, 68143), (415, 46797), (821, 23655), (1245, 15599), (1577, 12315), (2463, 7885), (4105, 4731)]