2019770028

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{881}}^1\times {\mathrm{1481}}^1$

素因数の和:2415

約数の個数: 72

約数和(自身を含む): 5233724496

約数和(自身を除く): 3213954468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 881, 1481, 1548, 1762, 2643, 2962, 3524, 4443, 5286, 5924, 7929, 8886, 10572, 13329, 15858, 17772, 26658, 31716, 37883, 53316, 63683, 75766, 113649, 127366, 151532, 191049, 227298, 254732, 340947, 382098, 454596, 573147, 681894, 764196, 1146294, 1304761, 1363788, 2292588, 2609522, 3914283, 5219044, 7828566, 11742849, 15657132, 23485698, 46971396, 56104723, 112209446, 168314169, 224418892, 336628338, 504942507, 673256676, 1009885014, 2019770028]

約数ペア:

[(1, 2019770028), (2, 1009885014), (3, 673256676), (4, 504942507), (6, 336628338), (9, 224418892), (12, 168314169), (18, 112209446), (36, 56104723), (43, 46971396), (86, 23485698), (129, 15657132), (172, 11742849), (258, 7828566), (387, 5219044), (516, 3914283), (774, 2609522), (881, 2292588), (1481, 1363788), (1548, 1304761), (1762, 1146294), (2643, 764196), (2962, 681894), (3524, 573147), (4443, 454596), (5286, 382098), (5924, 340947), (7929, 254732), (8886, 227298), (10572, 191049), (13329, 151532), (15858, 127366), (17772, 113649), (26658, 75766), (31716, 63683), (37883, 53316)]