18724738336

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{655261}}^1$

素因数の和:655337

約数の個数: 48

約数和(自身を含む): 39630245760

約数和(自身を除く): 20905507424

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 47, 76, 94, 152, 188, 304, 376, 608, 752, 893, 1504, 1786, 3572, 7144, 14288, 28576, 655261, 1310522, 2621044, 5242088, 10484176, 12449959, 20968352, 24899918, 30797267, 49799836, 61594534, 99599672, 123189068, 199199344, 246378136, 398398688, 492756272, 585148073, 985512544, 1170296146, 2340592292, 4681184584, 9362369168, 18724738336]

約数ペア:

[(1, 18724738336), (2, 9362369168), (4, 4681184584), (8, 2340592292), (16, 1170296146), (19, 985512544), (32, 585148073), (38, 492756272), (47, 398398688), (76, 246378136), (94, 199199344), (152, 123189068), (188, 99599672), (304, 61594534), (376, 49799836), (608, 30797267), (752, 24899918), (893, 20968352), (1504, 12449959), (1786, 10484176), (3572, 5242088), (7144, 2621044), (14288, 1310522), (28576, 655261)]