18226845

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4451}}^1$

素因数の和:4482

約数の個数: 48

約数和(自身を含む): 38892672

約数和(自身を除く): 20665827

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 455, 585, 819, 1365, 4095, 4451, 13353, 22255, 31157, 40059, 57863, 66765, 93471, 155785, 173589, 200295, 280413, 289315, 405041, 467355, 520767, 867945, 1215123, 1402065, 2025205, 2603835, 3645369, 6075615, 18226845]

約数ペア:

[(1, 18226845), (3, 6075615), (5, 3645369), (7, 2603835), (9, 2025205), (13, 1402065), (15, 1215123), (21, 867945), (35, 520767), (39, 467355), (45, 405041), (63, 289315), (65, 280413), (91, 200295), (105, 173589), (117, 155785), (195, 93471), (273, 66765), (315, 57863), (455, 40059), (585, 31157), (819, 22255), (1365, 13353), (4095, 4451)]