19413898

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:347

約数の個数: 48

約数和(自身を含む): 36837504

約数和(自身を除く): 17423606

約数列:

[1, 2, 7, 14, 17, 34, 43, 49, 86, 98, 119, 238, 271, 301, 542, 602, 731, 833, 1462, 1666, 1897, 2107, 3794, 4214, 4607, 5117, 9214, 10234, 11653, 13279, 23306, 26558, 32249, 35819, 64498, 71638, 81571, 163142, 198101, 225743, 396202, 451486, 570997, 1141994, 1386707, 2773414, 9706949, 19413898]

約数ペア:

[(1, 19413898), (2, 9706949), (7, 2773414), (14, 1386707), (17, 1141994), (34, 570997), (43, 451486), (49, 396202), (86, 225743), (98, 198101), (119, 163142), (238, 81571), (271, 71638), (301, 64498), (542, 35819), (602, 32249), (731, 26558), (833, 23306), (1462, 13279), (1666, 11653), (1897, 10234), (2107, 9214), (3794, 5117), (4214, 4607)]