19969173

素因数分解:

$3^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{859}}^1$

素因数の和:919

約数の個数: 40

約数和(自身を含む): 34964160

約数和(自身を除く): 14994987

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 81, 123, 189, 287, 369, 567, 859, 861, 1107, 2577, 2583, 3321, 6013, 7731, 7749, 18039, 23193, 23247, 35219, 54117, 69579, 105657, 162351, 246533, 316971, 487053, 739599, 950913, 2218797, 2852739, 6656391, 19969173]

約数ペア:

[(1, 19969173), (3, 6656391), (7, 2852739), (9, 2218797), (21, 950913), (27, 739599), (41, 487053), (63, 316971), (81, 246533), (123, 162351), (189, 105657), (287, 69579), (369, 54117), (567, 35219), (859, 23247), (861, 23193), (1107, 18039), (2577, 7749), (2583, 7731), (3321, 6013)]