19705393312

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{887}}^1\times {\mathrm{63113}}^1$

素因数の和:64021

約数の個数: 48

約数和(自身を含む): 42370195392

約数和(自身を除く): 22664802080

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 352, 887, 1774, 3548, 7096, 9757, 14192, 19514, 28384, 39028, 63113, 78056, 126226, 156112, 252452, 312224, 504904, 694243, 1009808, 1388486, 2019616, 2776972, 5553944, 11107888, 22215776, 55981231, 111962462, 223924924, 447849848, 615793541, 895699696, 1231587082, 1791399392, 2463174164, 4926348328, 9852696656, 19705393312]

約数ペア:

[(1, 19705393312), (2, 9852696656), (4, 4926348328), (8, 2463174164), (11, 1791399392), (16, 1231587082), (22, 895699696), (32, 615793541), (44, 447849848), (88, 223924924), (176, 111962462), (352, 55981231), (887, 22215776), (1774, 11107888), (3548, 5553944), (7096, 2776972), (9757, 2019616), (14192, 1388486), (19514, 1009808), (28384, 694243), (39028, 504904), (63113, 312224), (78056, 252452), (126226, 156112)]