2019919455

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{389}}^1$

素因数の和:625

約数の個数: 96

約数和(自身を含む): 3811017600

約数和(自身を除く): 1791098145

約数列:

[1, 3, 5, 9, 15, 23, 29, 45, 69, 87, 115, 145, 173, 207, 261, 345, 389, 435, 519, 667, 865, 1035, 1167, 1305, 1557, 1945, 2001, 2595, 3335, 3501, 3979, 5017, 5835, 6003, 7785, 8947, 10005, 11281, 11937, 15051, 17505, 19895, 25085, 26841, 30015, 33843, 35811, 44735, 45153, 56405, 59685, 67297, 75255, 80523, 101529, 115391, 134205, 169215, 179055, 201891, 225765, 259463, 336485, 346173, 402615, 507645, 576955, 605673, 778389, 1009455, 1038519, 1297315, 1547831, 1730865, 1951613, 2335167, 3028365, 3891945, 4643493, 5192595, 5854839, 7739155, 9758065, 11675835, 13930479, 17564517, 23217465, 29274195, 44887099, 69652395, 87822585, 134661297, 224435495, 403983891, 673306485, 2019919455]

約数ペア:

[(1, 2019919455), (3, 673306485), (5, 403983891), (9, 224435495), (15, 134661297), (23, 87822585), (29, 69652395), (45, 44887099), (69, 29274195), (87, 23217465), (115, 17564517), (145, 13930479), (173, 11675835), (207, 9758065), (261, 7739155), (345, 5854839), (389, 5192595), (435, 4643493), (519, 3891945), (667, 3028365), (865, 2335167), (1035, 1951613), (1167, 1730865), (1305, 1547831), (1557, 1297315), (1945, 1038519), (2001, 1009455), (2595, 778389), (3335, 605673), (3501, 576955), (3979, 507645), (5017, 402615), (5835, 346173), (6003, 336485), (7785, 259463), (8947, 225765), (10005, 201891), (11281, 179055), (11937, 169215), (15051, 134205), (17505, 115391), (19895, 101529), (25085, 80523), (26841, 75255), (30015, 67297), (33843, 59685), (35811, 56405), (44735, 45153)]