18635680

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{2377}}^1$

素因数の和:2406

約数の個数: 72

約数和(自身を含む): 51236388

約数和(自身を除く): 32600708

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 2377, 3920, 4754, 7840, 9508, 11885, 16639, 19016, 23770, 33278, 38032, 47540, 66556, 76064, 83195, 95080, 116473, 133112, 166390, 190160, 232946, 266224, 332780, 380320, 465892, 532448, 582365, 665560, 931784, 1164730, 1331120, 1863568, 2329460, 2662240, 3727136, 4658920, 9317840, 18635680]

約数ペア:

[(1, 18635680), (2, 9317840), (4, 4658920), (5, 3727136), (7, 2662240), (8, 2329460), (10, 1863568), (14, 1331120), (16, 1164730), (20, 931784), (28, 665560), (32, 582365), (35, 532448), (40, 465892), (49, 380320), (56, 332780), (70, 266224), (80, 232946), (98, 190160), (112, 166390), (140, 133112), (160, 116473), (196, 95080), (224, 83195), (245, 76064), (280, 66556), (392, 47540), (490, 38032), (560, 33278), (784, 23770), (980, 19016), (1120, 16639), (1568, 11885), (1960, 9508), (2377, 7840), (3920, 4754)]