19533717

素因数分解:

$3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{733}}^1$

素因数の和:799

約数の個数: 40

約数和(自身を含む): 34104576

約数和(自身を除く): 14570859

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 81, 141, 189, 329, 423, 567, 733, 987, 1269, 2199, 2961, 3807, 5131, 6597, 8883, 15393, 19791, 26649, 34451, 46179, 59373, 103353, 138537, 241157, 310059, 415611, 723471, 930177, 2170413, 2790531, 6511239, 19533717]

約数ペア:

[(1, 19533717), (3, 6511239), (7, 2790531), (9, 2170413), (21, 930177), (27, 723471), (47, 415611), (63, 310059), (81, 241157), (141, 138537), (189, 103353), (329, 59373), (423, 46179), (567, 34451), (733, 26649), (987, 19791), (1269, 15393), (2199, 8883), (2961, 6597), (3807, 5131)]