18320673

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{457}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 29546496

約数和(自身を除く): 11225823

約数列:

[1, 3, 7, 21, 23, 69, 83, 161, 249, 457, 483, 581, 1371, 1743, 1909, 3199, 5727, 9597, 10511, 13363, 31533, 37931, 40089, 73577, 113793, 220731, 265517, 796551, 872413, 2617239, 6106891, 18320673]

約数ペア:

[(1, 18320673), (3, 6106891), (7, 2617239), (21, 872413), (23, 796551), (69, 265517), (83, 220731), (161, 113793), (249, 73577), (457, 40089), (483, 37931), (581, 31533), (1371, 13363), (1743, 10511), (1909, 9597), (3199, 5727)]