18553821

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{709}}^1$

素因数の和:797

約数の個数: 32

約数和(自身を含む): 29581440

約数和(自身を除く): 11027619

約数列:

[1, 3, 11, 13, 33, 39, 61, 143, 183, 429, 671, 709, 793, 2013, 2127, 2379, 7799, 8723, 9217, 23397, 26169, 27651, 43249, 101387, 129747, 304161, 475739, 562237, 1427217, 1686711, 6184607, 18553821]

約数ペア:

[(1, 18553821), (3, 6184607), (11, 1686711), (13, 1427217), (33, 562237), (39, 475739), (61, 304161), (143, 129747), (183, 101387), (429, 43249), (671, 27651), (709, 26169), (793, 23397), (2013, 9217), (2127, 8723), (2379, 7799)]