19916554

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1249}}^1$

素因数の和:1342

約数の個数: 32

約数和(自身を含む): 36720000

約数和(自身を除く): 16803446

約数列:

[1, 2, 7, 14, 17, 34, 67, 119, 134, 238, 469, 938, 1139, 1249, 2278, 2498, 7973, 8743, 15946, 17486, 21233, 42466, 83683, 148631, 167366, 297262, 585781, 1171562, 1422611, 2845222, 9958277, 19916554]

約数ペア:

[(1, 19916554), (2, 9958277), (7, 2845222), (14, 1422611), (17, 1171562), (34, 585781), (67, 297262), (119, 167366), (134, 148631), (238, 83683), (469, 42466), (938, 21233), (1139, 17486), (1249, 15946), (2278, 8743), (2498, 7973)]