19865601

素因数分解:

$3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1181}}^1$

素因数の和:1286

約数の個数: 32

約数和(自身を含む): 34041600

約数和(自身を除く): 14175999

約数列:

[1, 3, 7, 9, 21, 27, 63, 89, 189, 267, 623, 801, 1181, 1869, 2403, 3543, 5607, 8267, 10629, 16821, 24801, 31887, 74403, 105109, 223209, 315327, 735763, 945981, 2207289, 2837943, 6621867, 19865601]

約数ペア:

[(1, 19865601), (3, 6621867), (7, 2837943), (9, 2207289), (21, 945981), (27, 735763), (63, 315327), (89, 223209), (189, 105109), (267, 74403), (623, 31887), (801, 24801), (1181, 16821), (1869, 10629), (2403, 8267), (3543, 5607)]