19396140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{8737}}^1$

素因数の和:8786

約数の個数: 48

約数和(自身を含む): 55783392

約数和(自身を除く): 36387252

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 8737, 17474, 26211, 34948, 43685, 52422, 87370, 104844, 131055, 174740, 262110, 323269, 524220, 646538, 969807, 1293076, 1616345, 1939614, 3232690, 3879228, 4849035, 6465380, 9698070, 19396140]

約数ペア:

[(1, 19396140), (2, 9698070), (3, 6465380), (4, 4849035), (5, 3879228), (6, 3232690), (10, 1939614), (12, 1616345), (15, 1293076), (20, 969807), (30, 646538), (37, 524220), (60, 323269), (74, 262110), (111, 174740), (148, 131055), (185, 104844), (222, 87370), (370, 52422), (444, 43685), (555, 34948), (740, 26211), (1110, 17474), (2220, 8737)]