19637883

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:245

約数の個数: 40

約数和(自身を含む): 31223808

約数和(自身を除く): 11585925

約数列:

[1, 3, 9, 23, 27, 69, 81, 83, 127, 207, 249, 381, 621, 747, 1143, 1863, 1909, 2241, 2921, 3429, 5727, 6723, 8763, 10287, 10541, 17181, 26289, 31623, 51543, 78867, 94869, 154629, 236601, 242443, 284607, 727329, 853821, 2181987, 6545961, 19637883]

約数ペア:

[(1, 19637883), (3, 6545961), (9, 2181987), (23, 853821), (27, 727329), (69, 284607), (81, 242443), (83, 236601), (127, 154629), (207, 94869), (249, 78867), (381, 51543), (621, 31623), (747, 26289), (1143, 17181), (1863, 10541), (1909, 10287), (2241, 8763), (2921, 6723), (3429, 5727)]