18758484

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:301

約数の個数: 72

約数和(自身を含む): 49533120

約数和(自身を除く): 30774636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 71, 82, 123, 142, 164, 179, 213, 246, 284, 358, 369, 426, 492, 537, 639, 716, 738, 852, 1074, 1278, 1476, 1611, 2148, 2556, 2911, 3222, 5822, 6444, 7339, 8733, 11644, 12709, 14678, 17466, 22017, 25418, 26199, 29356, 34932, 38127, 44034, 50836, 52398, 66051, 76254, 88068, 104796, 114381, 132102, 152508, 228762, 264204, 457524, 521069, 1042138, 1563207, 2084276, 3126414, 4689621, 6252828, 9379242, 18758484]

約数ペア:

[(1, 18758484), (2, 9379242), (3, 6252828), (4, 4689621), (6, 3126414), (9, 2084276), (12, 1563207), (18, 1042138), (36, 521069), (41, 457524), (71, 264204), (82, 228762), (123, 152508), (142, 132102), (164, 114381), (179, 104796), (213, 88068), (246, 76254), (284, 66051), (358, 52398), (369, 50836), (426, 44034), (492, 38127), (537, 34932), (639, 29356), (716, 26199), (738, 25418), (852, 22017), (1074, 17466), (1278, 14678), (1476, 12709), (1611, 11644), (2148, 8733), (2556, 7339), (2911, 6444), (3222, 5822)]