19975833

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{953}}^1$

素因数の和:1113

約数の個数: 24

約数和(自身を含む): 30806568

約数和(自身を除く): 10830735

約数列:

[1, 3, 9, 17, 51, 137, 153, 411, 953, 1233, 2329, 2859, 6987, 8577, 16201, 20961, 48603, 130561, 145809, 391683, 1175049, 2219537, 6658611, 19975833]

約数ペア:

[(1, 19975833), (3, 6658611), (9, 2219537), (17, 1175049), (51, 391683), (137, 145809), (153, 130561), (411, 48603), (953, 20961), (1233, 16201), (2329, 8577), (2859, 6987)]