19738700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{683}}^1$

素因数の和:731

約数の個数: 54

約数和(自身を含む): 45567396

約数和(自身を除く): 25828696

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 289, 340, 425, 578, 683, 850, 1156, 1366, 1445, 1700, 2732, 2890, 3415, 5780, 6830, 7225, 11611, 13660, 14450, 17075, 23222, 28900, 34150, 46444, 58055, 68300, 116110, 197387, 232220, 290275, 394774, 580550, 789548, 986935, 1161100, 1973870, 3947740, 4934675, 9869350, 19738700]

約数ペア:

[(1, 19738700), (2, 9869350), (4, 4934675), (5, 3947740), (10, 1973870), (17, 1161100), (20, 986935), (25, 789548), (34, 580550), (50, 394774), (68, 290275), (85, 232220), (100, 197387), (170, 116110), (289, 68300), (340, 58055), (425, 46444), (578, 34150), (683, 28900), (850, 23222), (1156, 17075), (1366, 14450), (1445, 13660), (1700, 11611), (2732, 7225), (2890, 6830), (3415, 5780)]