19983159

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4597}}^1$

素因数の和:4636

約数の個数: 32

約数和(自身を含む): 35312640

約数和(自身を除く): 15329481

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 4597, 13791, 32179, 41373, 96537, 105731, 124119, 289611, 317193, 740117, 868833, 951579, 2220351, 2854737, 6661053, 19983159]

約数ペア:

[(1, 19983159), (3, 6661053), (7, 2854737), (9, 2220351), (21, 951579), (23, 868833), (27, 740117), (63, 317193), (69, 289611), (161, 124119), (189, 105731), (207, 96537), (483, 41373), (621, 32179), (1449, 13791), (4347, 4597)]