19942494

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2113}}^1$

素因数の和:2153

約数の個数: 48

約数和(自身を含む): 47235216

約数和(自身を除く): 27292722

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 121, 143, 242, 286, 363, 429, 726, 858, 1573, 2113, 3146, 4226, 4719, 6339, 9438, 12678, 23243, 27469, 46486, 54938, 69729, 82407, 139458, 164814, 255673, 302159, 511346, 604318, 767019, 906477, 1534038, 1812954, 3323749, 6647498, 9971247, 19942494]

約数ペア:

[(1, 19942494), (2, 9971247), (3, 6647498), (6, 3323749), (11, 1812954), (13, 1534038), (22, 906477), (26, 767019), (33, 604318), (39, 511346), (66, 302159), (78, 255673), (121, 164814), (143, 139458), (242, 82407), (286, 69729), (363, 54938), (429, 46486), (726, 27469), (858, 23243), (1573, 12678), (2113, 9438), (3146, 6339), (4226, 4719)]