19004987225

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{26729}}^1$

素因数の和:27002

約数の個数: 48

約数和(自身を含む): 28637452800

約数和(自身を除く): 9632465575

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 239, 425, 595, 1195, 1673, 2975, 4063, 5975, 8365, 20315, 26729, 28441, 41825, 101575, 133645, 142205, 187103, 454393, 668225, 711025, 935515, 2271965, 3180751, 4677575, 6388231, 11359825, 15903755, 31941155, 44717617, 79518775, 108599927, 159705775, 223588085, 542999635, 760199489, 1117940425, 2714998175, 3800997445, 19004987225]

約数ペア:

[(1, 19004987225), (5, 3800997445), (7, 2714998175), (17, 1117940425), (25, 760199489), (35, 542999635), (85, 223588085), (119, 159705775), (175, 108599927), (239, 79518775), (425, 44717617), (595, 31941155), (1195, 15903755), (1673, 11359825), (2975, 6388231), (4063, 4677575), (5975, 3180751), (8365, 2271965), (20315, 935515), (26729, 711025), (28441, 668225), (41825, 454393), (101575, 187103), (133645, 142205)]