19813808

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9311}}^1$

素因数の和:9345

約数の個数: 40

約数和(自身を含む): 46187520

約数和(自身を除く): 26373712

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 9311, 18622, 37244, 65177, 74488, 130354, 148976, 176909, 260708, 353818, 521416, 707636, 1042832, 1238363, 1415272, 2476726, 2830544, 4953452, 9906904, 19813808]

約数ペア:

[(1, 19813808), (2, 9906904), (4, 4953452), (7, 2830544), (8, 2476726), (14, 1415272), (16, 1238363), (19, 1042832), (28, 707636), (38, 521416), (56, 353818), (76, 260708), (112, 176909), (133, 148976), (152, 130354), (266, 74488), (304, 65177), (532, 37244), (1064, 18622), (2128, 9311)]