19700650

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{463}}^1$

素因数の和:535

約数の個数: 48

約数和(自身を含む): 39354624

約数和(自身を除く): 19653974

約数列:

[1, 2, 5, 10, 23, 25, 37, 46, 50, 74, 115, 185, 230, 370, 463, 575, 851, 925, 926, 1150, 1702, 1850, 2315, 4255, 4630, 8510, 10649, 11575, 17131, 21275, 21298, 23150, 34262, 42550, 53245, 85655, 106490, 171310, 266225, 394013, 428275, 532450, 788026, 856550, 1970065, 3940130, 9850325, 19700650]

約数ペア:

[(1, 19700650), (2, 9850325), (5, 3940130), (10, 1970065), (23, 856550), (25, 788026), (37, 532450), (46, 428275), (50, 394013), (74, 266225), (115, 171310), (185, 106490), (230, 85655), (370, 53245), (463, 42550), (575, 34262), (851, 23150), (925, 21298), (926, 21275), (1150, 17131), (1702, 11575), (1850, 10649), (2315, 8510), (4255, 4630)]