19789484

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1193}}^1$

素因数の和:1250

約数の個数: 48

約数和(自身を含む): 42124320

約数和(自身を除く): 22334836

約数列:

[1, 2, 4, 11, 13, 22, 26, 29, 44, 52, 58, 116, 143, 286, 319, 377, 572, 638, 754, 1193, 1276, 1508, 2386, 4147, 4772, 8294, 13123, 15509, 16588, 26246, 31018, 34597, 52492, 62036, 69194, 138388, 170599, 341198, 380567, 449761, 682396, 761134, 899522, 1522268, 1799044, 4947371, 9894742, 19789484]

約数ペア:

[(1, 19789484), (2, 9894742), (4, 4947371), (11, 1799044), (13, 1522268), (22, 899522), (26, 761134), (29, 682396), (44, 449761), (52, 380567), (58, 341198), (116, 170599), (143, 138388), (286, 69194), (319, 62036), (377, 52492), (572, 34597), (638, 31018), (754, 26246), (1193, 16588), (1276, 15509), (1508, 13123), (2386, 8294), (4147, 4772)]