1899687412

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{163}}^1\times {\mathrm{1153}}^1$

素因数の和:1365

約数の個数: 72

約数和(自身を含む): 4037966016

約数和(自身を除く): 2138278604

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 163, 266, 326, 361, 532, 652, 722, 1141, 1153, 1444, 2282, 2306, 2527, 3097, 4564, 4612, 5054, 6194, 8071, 10108, 12388, 16142, 21679, 21907, 32284, 43358, 43814, 58843, 86716, 87628, 117686, 153349, 187939, 235372, 306698, 375878, 411901, 416233, 613396, 751756, 823802, 832466, 1315573, 1647604, 1664932, 2631146, 2913631, 3570841, 5262292, 5827262, 7141682, 11654524, 14283364, 24995887, 49991774, 67845979, 99983548, 135691958, 271383916, 474921853, 949843706, 1899687412]

約数ペア:

[(1, 1899687412), (2, 949843706), (4, 474921853), (7, 271383916), (14, 135691958), (19, 99983548), (28, 67845979), (38, 49991774), (76, 24995887), (133, 14283364), (163, 11654524), (266, 7141682), (326, 5827262), (361, 5262292), (532, 3570841), (652, 2913631), (722, 2631146), (1141, 1664932), (1153, 1647604), (1444, 1315573), (2282, 832466), (2306, 823802), (2527, 751756), (3097, 613396), (4564, 416233), (4612, 411901), (5054, 375878), (6194, 306698), (8071, 235372), (10108, 187939), (12388, 153349), (16142, 117686), (21679, 87628), (21907, 86716), (32284, 58843), (43358, 43814)]