18856556748

素因数分解:

$2^2\times 3^2\times {\mathrm{191}}^1\times {\mathrm{563}}^1\times {\mathrm{4871}}^1$

素因数の和:5635

約数の個数: 72

約数和(自身を含む): 48009701376

約数和(自身を除く): 29153144628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 191, 382, 563, 573, 764, 1126, 1146, 1689, 1719, 2252, 2292, 3378, 3438, 4871, 5067, 6756, 6876, 9742, 10134, 14613, 19484, 20268, 29226, 43839, 58452, 87678, 107533, 175356, 215066, 322599, 430132, 645198, 930361, 967797, 1290396, 1860722, 1935594, 2742373, 2791083, 3721444, 3871188, 5484746, 5582166, 8227119, 8373249, 10969492, 11164332, 16454238, 16746498, 24681357, 32908476, 33492996, 49362714, 98725428, 523793243, 1047586486, 1571379729, 2095172972, 3142759458, 4714139187, 6285518916, 9428278374, 18856556748]

約数ペア:

[(1, 18856556748), (2, 9428278374), (3, 6285518916), (4, 4714139187), (6, 3142759458), (9, 2095172972), (12, 1571379729), (18, 1047586486), (36, 523793243), (191, 98725428), (382, 49362714), (563, 33492996), (573, 32908476), (764, 24681357), (1126, 16746498), (1146, 16454238), (1689, 11164332), (1719, 10969492), (2252, 8373249), (2292, 8227119), (3378, 5582166), (3438, 5484746), (4871, 3871188), (5067, 3721444), (6756, 2791083), (6876, 2742373), (9742, 1935594), (10134, 1860722), (14613, 1290396), (19484, 967797), (20268, 930361), (29226, 645198), (43839, 430132), (58452, 322599), (87678, 215066), (107533, 175356)]