18616173628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{181}}^1\times {\mathrm{5479}}^1$

素因数の和:5715

約数の個数: 72

約数和(自身を含む): 37239427680

約数和(自身を除く): 18623254052

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 181, 247, 361, 362, 494, 722, 724, 988, 1444, 2353, 3439, 4693, 4706, 5479, 6878, 9386, 9412, 10958, 13756, 18772, 21916, 44707, 65341, 71227, 89414, 104101, 130682, 142454, 178828, 208202, 261364, 284908, 416404, 849433, 991699, 1353313, 1698866, 1977919, 1983398, 2706626, 3397732, 3955838, 3966796, 5413252, 7911676, 12892087, 18842281, 25712947, 25784174, 37684562, 51425894, 51568348, 75369124, 102851788, 244949653, 358003339, 489899306, 716006678, 979798612, 1432013356, 4654043407, 9308086814, 18616173628]

約数ペア:

[(1, 18616173628), (2, 9308086814), (4, 4654043407), (13, 1432013356), (19, 979798612), (26, 716006678), (38, 489899306), (52, 358003339), (76, 244949653), (181, 102851788), (247, 75369124), (361, 51568348), (362, 51425894), (494, 37684562), (722, 25784174), (724, 25712947), (988, 18842281), (1444, 12892087), (2353, 7911676), (3439, 5413252), (4693, 3966796), (4706, 3955838), (5479, 3397732), (6878, 2706626), (9386, 1983398), (9412, 1977919), (10958, 1698866), (13756, 1353313), (18772, 991699), (21916, 849433), (44707, 416404), (65341, 284908), (71227, 261364), (89414, 208202), (104101, 178828), (130682, 142454)]