19915696770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1931}}^1\times {\mathrm{2707}}^1$

素因数の和:4775

約数の個数: 64

約数和(自身を含む): 48216784896

約数和(自身を除く): 28301088126

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 127, 254, 381, 635, 762, 1270, 1905, 1931, 2707, 3810, 3862, 5414, 5793, 8121, 9655, 11586, 13535, 16242, 19310, 27070, 28965, 40605, 57930, 81210, 245237, 343789, 490474, 687578, 735711, 1031367, 1226185, 1471422, 1718945, 2062734, 2452370, 3437890, 3678555, 5156835, 5227217, 7357110, 10313670, 10454434, 15681651, 26136085, 31363302, 52272170, 78408255, 156816510, 663856559, 1327713118, 1991569677, 3319282795, 3983139354, 6638565590, 9957848385, 19915696770]

約数ペア:

[(1, 19915696770), (2, 9957848385), (3, 6638565590), (5, 3983139354), (6, 3319282795), (10, 1991569677), (15, 1327713118), (30, 663856559), (127, 156816510), (254, 78408255), (381, 52272170), (635, 31363302), (762, 26136085), (1270, 15681651), (1905, 10454434), (1931, 10313670), (2707, 7357110), (3810, 5227217), (3862, 5156835), (5414, 3678555), (5793, 3437890), (8121, 2452370), (9655, 2062734), (11586, 1718945), (13535, 1471422), (16242, 1226185), (19310, 1031367), (27070, 735711), (28965, 687578), (40605, 490474), (57930, 343789), (81210, 245237)]