2018989742

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{7753}}^1$

素因数の和:7881

約数の個数: 64

約数和(自身を含む): 4019673600

約数和(自身を除く): 2000683858

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 89, 133, 154, 178, 209, 266, 418, 623, 979, 1246, 1463, 1691, 1958, 2926, 3382, 6853, 7753, 11837, 13706, 15506, 18601, 23674, 37202, 54271, 85283, 108542, 130207, 147307, 170566, 260414, 294614, 596981, 690017, 1031149, 1193962, 1380034, 1620377, 2062298, 3240754, 4830119, 7590187, 9660238, 11342639, 13110323, 15180374, 22685278, 26220646, 53131309, 91772261, 106262618, 144213553, 183544522, 288427106, 1009494871, 2018989742]

約数ペア:

[(1, 2018989742), (2, 1009494871), (7, 288427106), (11, 183544522), (14, 144213553), (19, 106262618), (22, 91772261), (38, 53131309), (77, 26220646), (89, 22685278), (133, 15180374), (154, 13110323), (178, 11342639), (209, 9660238), (266, 7590187), (418, 4830119), (623, 3240754), (979, 2062298), (1246, 1620377), (1463, 1380034), (1691, 1193962), (1958, 1031149), (2926, 690017), (3382, 596981), (6853, 294614), (7753, 260414), (11837, 170566), (13706, 147307), (15506, 130207), (18601, 108542), (23674, 85283), (37202, 54271)]