20181231012

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{86249}}^1$

素因数の和:86341

約数の個数: 96

約数和(自身を含む): 52859520000

約数和(自身を除く): 32678288988

約数列:

[1, 2, 3, 4, 6, 12, 17, 31, 34, 37, 51, 62, 68, 74, 93, 102, 111, 124, 148, 186, 204, 222, 372, 444, 527, 629, 1054, 1147, 1258, 1581, 1887, 2108, 2294, 2516, 3162, 3441, 3774, 4588, 6324, 6882, 7548, 13764, 19499, 38998, 58497, 77996, 86249, 116994, 172498, 233988, 258747, 344996, 517494, 1034988, 1466233, 2673719, 2932466, 3191213, 4398699, 5347438, 5864932, 6382426, 8021157, 8797398, 9573639, 10694876, 12764852, 16042314, 17594796, 19147278, 32084628, 38294556, 45453223, 54250621, 90906446, 98927603, 108501242, 136359669, 162751863, 181812892, 197855206, 217002484, 272719338, 296782809, 325503726, 395710412, 545438676, 593565618, 651007452, 1187131236, 1681769251, 3363538502, 5045307753, 6727077004, 10090615506, 20181231012]

約数ペア:

[(1, 20181231012), (2, 10090615506), (3, 6727077004), (4, 5045307753), (6, 3363538502), (12, 1681769251), (17, 1187131236), (31, 651007452), (34, 593565618), (37, 545438676), (51, 395710412), (62, 325503726), (68, 296782809), (74, 272719338), (93, 217002484), (102, 197855206), (111, 181812892), (124, 162751863), (148, 136359669), (186, 108501242), (204, 98927603), (222, 90906446), (372, 54250621), (444, 45453223), (527, 38294556), (629, 32084628), (1054, 19147278), (1147, 17594796), (1258, 16042314), (1581, 12764852), (1887, 10694876), (2108, 9573639), (2294, 8797398), (2516, 8021157), (3162, 6382426), (3441, 5864932), (3774, 5347438), (4588, 4398699), (6324, 3191213), (6882, 2932466), (7548, 2673719), (13764, 1466233), (19499, 1034988), (38998, 517494), (58497, 344996), (77996, 258747), (86249, 233988), (116994, 172498)]