1992891418

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{17383}}^1$

素因数の和:17842

約数の個数: 32

約数和(自身を含む): 3604746240

約数和(自身を除く): 1611854822

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 431, 862, 3017, 6034, 8189, 16378, 17383, 34766, 57323, 114646, 121681, 243362, 330277, 660554, 2311939, 4623878, 7492073, 14984146, 52444511, 104889022, 142349387, 284698774, 996445709, 1992891418]

約数ペア:

[(1, 1992891418), (2, 996445709), (7, 284698774), (14, 142349387), (19, 104889022), (38, 52444511), (133, 14984146), (266, 7492073), (431, 4623878), (862, 2311939), (3017, 660554), (6034, 330277), (8189, 243362), (16378, 121681), (17383, 114646), (34766, 57323)]