19404206836

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1176583}}^1$

素因数の和:1176644

約数の個数: 48

約数和(自身を含む): 42168770560

約数和(自身を除く): 22764563724

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 124, 133, 217, 266, 434, 532, 589, 868, 1178, 2356, 4123, 8246, 16492, 1176583, 2353166, 4706332, 8236081, 16472162, 22355077, 32944324, 36474073, 44710154, 72948146, 89420308, 145896292, 156485539, 255318511, 312971078, 510637022, 625942156, 693007387, 1021274044, 1386014774, 2772029548, 4851051709, 9702103418, 19404206836]

約数ペア:

[(1, 19404206836), (2, 9702103418), (4, 4851051709), (7, 2772029548), (14, 1386014774), (19, 1021274044), (28, 693007387), (31, 625942156), (38, 510637022), (62, 312971078), (76, 255318511), (124, 156485539), (133, 145896292), (217, 89420308), (266, 72948146), (434, 44710154), (532, 36474073), (589, 32944324), (868, 22355077), (1178, 16472162), (2356, 8236081), (4123, 4706332), (8246, 2353166), (16492, 1176583)]