18943480510

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{701}}^1\times {\mathrm{3469}}^1$

素因数の和:4237

約数の個数: 64

約数和(自身を含む): 36831412800

約数和(自身を除く): 17887932290

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 701, 779, 1402, 1558, 3469, 3505, 3895, 6938, 7010, 7790, 13319, 17345, 26638, 28741, 34690, 57482, 65911, 66595, 131822, 133190, 142229, 143705, 284458, 287410, 329555, 546079, 659110, 711145, 1092158, 1422290, 2431769, 2702351, 2730395, 4863538, 5404702, 5460790, 12158845, 13511755, 24317690, 27023510, 46203611, 92407222, 99702529, 199405058, 231018055, 462036110, 498512645, 997025290, 1894348051, 3788696102, 9471740255, 18943480510]

約数ペア:

[(1, 18943480510), (2, 9471740255), (5, 3788696102), (10, 1894348051), (19, 997025290), (38, 498512645), (41, 462036110), (82, 231018055), (95, 199405058), (190, 99702529), (205, 92407222), (410, 46203611), (701, 27023510), (779, 24317690), (1402, 13511755), (1558, 12158845), (3469, 5460790), (3505, 5404702), (3895, 4863538), (6938, 2730395), (7010, 2702351), (7790, 2431769), (13319, 1422290), (17345, 1092158), (26638, 711145), (28741, 659110), (34690, 546079), (57482, 329555), (65911, 287410), (66595, 284458), (131822, 143705), (133190, 142229)]