18169760

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{16223}}^1$

素因数の和:16245

約数の個数: 48

約数和(自身を含む): 49061376

約数和(自身を除く): 30891616

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 16223, 32446, 64892, 81115, 113561, 129784, 162230, 227122, 259568, 324460, 454244, 519136, 567805, 648920, 908488, 1135610, 1297840, 1816976, 2271220, 2595680, 3633952, 4542440, 9084880, 18169760]

約数ペア:

[(1, 18169760), (2, 9084880), (4, 4542440), (5, 3633952), (7, 2595680), (8, 2271220), (10, 1816976), (14, 1297840), (16, 1135610), (20, 908488), (28, 648920), (32, 567805), (35, 519136), (40, 454244), (56, 324460), (70, 259568), (80, 227122), (112, 162230), (140, 129784), (160, 113561), (224, 81115), (280, 64892), (560, 32446), (1120, 16223)]