18184880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{4639}}^1$

素因数の和:4666

約数の個数: 60

約数和(自身を含む): 49193280

約数和(自身を除く): 31008400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 4639, 9278, 18556, 23195, 32473, 37112, 46390, 64946, 74224, 92780, 129892, 162365, 185560, 227311, 259784, 324730, 371120, 454622, 519568, 649460, 909244, 1136555, 1298920, 1818488, 2273110, 2597840, 3636976, 4546220, 9092440, 18184880]

約数ペア:

[(1, 18184880), (2, 9092440), (4, 4546220), (5, 3636976), (7, 2597840), (8, 2273110), (10, 1818488), (14, 1298920), (16, 1136555), (20, 909244), (28, 649460), (35, 519568), (40, 454622), (49, 371120), (56, 324730), (70, 259784), (80, 227311), (98, 185560), (112, 162365), (140, 129892), (196, 92780), (245, 74224), (280, 64946), (392, 46390), (490, 37112), (560, 32473), (784, 23195), (980, 18556), (1960, 9278), (3920, 4639)]