19411329

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 30744576

約数和(自身を除く): 11333247

約数列:

[1, 3, 7, 21, 47, 71, 141, 213, 277, 329, 497, 831, 987, 1491, 1939, 3337, 5817, 10011, 13019, 19667, 23359, 39057, 59001, 70077, 91133, 137669, 273399, 413007, 924349, 2773047, 6470443, 19411329]

約数ペア:

[(1, 19411329), (3, 6470443), (7, 2773047), (21, 924349), (47, 413007), (71, 273399), (141, 137669), (213, 91133), (277, 70077), (329, 59001), (497, 39057), (831, 23359), (987, 19667), (1491, 13019), (1939, 10011), (3337, 5817)]