19213978

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{607}}^1$

素因数の和:659

約数の個数: 48

約数和(自身を含む): 37428480

約数和(自身を除く): 18214502

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 49, 98, 119, 133, 238, 266, 323, 607, 646, 833, 931, 1214, 1666, 1862, 2261, 4249, 4522, 8498, 10319, 11533, 15827, 20638, 23066, 29743, 31654, 59486, 72233, 80731, 144466, 161462, 196061, 392122, 505631, 565117, 1011262, 1130234, 1372427, 2744854, 9606989, 19213978]

約数ペア:

[(1, 19213978), (2, 9606989), (7, 2744854), (14, 1372427), (17, 1130234), (19, 1011262), (34, 565117), (38, 505631), (49, 392122), (98, 196061), (119, 161462), (133, 144466), (238, 80731), (266, 72233), (323, 59486), (607, 31654), (646, 29743), (833, 23066), (931, 20638), (1214, 15827), (1666, 11533), (1862, 10319), (2261, 8498), (4249, 4522)]