20183914088

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{23251}}^1$

素因数の和:23778

約数の個数: 64

約数和(自身を含む): 43243139520

約数和(自身を除く): 23059225432

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 491, 884, 982, 1768, 1964, 3928, 6383, 8347, 12766, 16694, 23251, 25532, 33388, 46502, 51064, 66776, 93004, 108511, 186008, 217022, 302263, 395267, 434044, 604526, 790534, 868088, 1209052, 1581068, 2418104, 3162136, 5138471, 10276942, 11416241, 20553884, 22832482, 41107768, 45664964, 91329928, 148411133, 194076097, 296822266, 388152194, 593644532, 776304388, 1187289064, 1552608776, 2522989261, 5045978522, 10091957044, 20183914088]

約数ペア:

[(1, 20183914088), (2, 10091957044), (4, 5045978522), (8, 2522989261), (13, 1552608776), (17, 1187289064), (26, 776304388), (34, 593644532), (52, 388152194), (68, 296822266), (104, 194076097), (136, 148411133), (221, 91329928), (442, 45664964), (491, 41107768), (884, 22832482), (982, 20553884), (1768, 11416241), (1964, 10276942), (3928, 5138471), (6383, 3162136), (8347, 2418104), (12766, 1581068), (16694, 1209052), (23251, 868088), (25532, 790534), (33388, 604526), (46502, 434044), (51064, 395267), (66776, 302263), (93004, 217022), (108511, 186008)]