18001738719

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{4513}}^1$

素因数の和:4625

約数の個数: 72

約数和(自身を含む): 29440524672

約数和(自身を除く): 11438785953

約数列:

[1, 3, 9, 17, 29, 31, 51, 87, 93, 153, 261, 279, 493, 527, 841, 899, 1479, 1581, 2523, 2697, 4437, 4513, 4743, 7569, 8091, 13539, 14297, 15283, 26071, 40617, 42891, 45849, 76721, 78213, 128673, 130877, 137547, 139903, 230163, 234639, 392631, 419709, 443207, 690489, 1177893, 1259127, 1329621, 2224909, 2378351, 3795433, 3988863, 4057187, 6674727, 7135053, 11386299, 12171561, 20024181, 21405159, 34158897, 36514683, 64522361, 68972179, 117658423, 193567083, 206916537, 352975269, 580701249, 620749611, 1058925807, 2000193191, 6000579573, 18001738719]

約数ペア:

[(1, 18001738719), (3, 6000579573), (9, 2000193191), (17, 1058925807), (29, 620749611), (31, 580701249), (51, 352975269), (87, 206916537), (93, 193567083), (153, 117658423), (261, 68972179), (279, 64522361), (493, 36514683), (527, 34158897), (841, 21405159), (899, 20024181), (1479, 12171561), (1581, 11386299), (2523, 7135053), (2697, 6674727), (4437, 4057187), (4513, 3988863), (4743, 3795433), (7569, 2378351), (8091, 2224909), (13539, 1329621), (14297, 1259127), (15283, 1177893), (26071, 690489), (40617, 443207), (42891, 419709), (45849, 392631), (76721, 234639), (78213, 230163), (128673, 139903), (130877, 137547)]