19945997029441

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1\times {\mathrm{307}}^1\times {\mathrm{20611}}^1$

素因数の和:21254

約数の個数: 64

約数和(自身を含む): 24390413752320

約数和(自身を除く): 4444416722879

約数列:

[1, 7, 19, 133, 137, 173, 307, 959, 1211, 2149, 2603, 3287, 5833, 18221, 20611, 23009, 23701, 40831, 42059, 53111, 144277, 165907, 294413, 371777, 391609, 450319, 799121, 1009109, 2741263, 2823707, 3152233, 3565703, 5593847, 6327577, 7063763, 7276207, 19765949, 24959921, 44293039, 50933449, 53650433, 67748357, 120223963, 138247933, 375553031, 474238499, 488501311, 841567741, 866878049, 967735531, 1094670821, 3419509177, 6068146343, 7662695747, 9281524909, 16470682931, 20798745599, 64970674363, 115294780517, 145591219193, 149969902477, 1049789317339, 2849428147063, 19945997029441]

約数ペア:

[(1, 19945997029441), (7, 2849428147063), (19, 1049789317339), (133, 149969902477), (137, 145591219193), (173, 115294780517), (307, 64970674363), (959, 20798745599), (1211, 16470682931), (2149, 9281524909), (2603, 7662695747), (3287, 6068146343), (5833, 3419509177), (18221, 1094670821), (20611, 967735531), (23009, 866878049), (23701, 841567741), (40831, 488501311), (42059, 474238499), (53111, 375553031), (144277, 138247933), (165907, 120223963), (294413, 67748357), (371777, 53650433), (391609, 50933449), (450319, 44293039), (799121, 24959921), (1009109, 19765949), (2741263, 7276207), (2823707, 7063763), (3152233, 6327577), (3565703, 5593847)]