19743800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{5807}}^1$

素因数の和:5840

約数の個数: 48

約数和(自身を含む): 48612960

約数和(自身を除く): 28869160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 5807, 11614, 23228, 29035, 46456, 58070, 98719, 116140, 145175, 197438, 232280, 290350, 394876, 493595, 580700, 789752, 987190, 1161400, 1974380, 2467975, 3948760, 4935950, 9871900, 19743800]

約数ペア:

[(1, 19743800), (2, 9871900), (4, 4935950), (5, 3948760), (8, 2467975), (10, 1974380), (17, 1161400), (20, 987190), (25, 789752), (34, 580700), (40, 493595), (50, 394876), (68, 290350), (85, 232280), (100, 197438), (136, 145175), (170, 116140), (200, 98719), (340, 58070), (425, 46456), (680, 29035), (850, 23228), (1700, 11614), (3400, 5807)]