19963488105

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{173}}^1\times {\mathrm{21193}}^1$

素因数の和:21399

約数の個数: 72

約数和(自身を含む): 38256780744

約数和(自身を除く): 18293292639

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 121, 165, 173, 363, 495, 519, 605, 865, 1089, 1557, 1815, 1903, 2595, 5445, 5709, 7785, 9515, 17127, 20933, 21193, 28545, 62799, 63579, 85635, 104665, 105965, 188397, 190737, 233123, 313995, 317895, 699369, 941985, 953685, 1165615, 2098107, 2564353, 3496845, 3666389, 7693059, 10490535, 10999167, 12821765, 18331945, 23079177, 32997501, 38465295, 40330279, 54995835, 115395885, 120990837, 164987505, 201651395, 362972511, 443633069, 604954185, 1330899207, 1814862555, 2218165345, 3992697621, 6654496035, 19963488105]

約数ペア:

[(1, 19963488105), (3, 6654496035), (5, 3992697621), (9, 2218165345), (11, 1814862555), (15, 1330899207), (33, 604954185), (45, 443633069), (55, 362972511), (99, 201651395), (121, 164987505), (165, 120990837), (173, 115395885), (363, 54995835), (495, 40330279), (519, 38465295), (605, 32997501), (865, 23079177), (1089, 18331945), (1557, 12821765), (1815, 10999167), (1903, 10490535), (2595, 7693059), (5445, 3666389), (5709, 3496845), (7785, 2564353), (9515, 2098107), (17127, 1165615), (20933, 953685), (21193, 941985), (28545, 699369), (62799, 317895), (63579, 313995), (85635, 233123), (104665, 190737), (105965, 188397)]