19512589825

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1\times {\mathrm{1637}}^1$

素因数の和:2118

約数の個数: 48

約数和(自身を含む): 25720072560

約数和(自身を除く): 6207482735

約数列:

[1, 5, 25, 29, 41, 145, 205, 401, 725, 1025, 1189, 1637, 2005, 5945, 8185, 10025, 11629, 16441, 29725, 40925, 47473, 58145, 67117, 82205, 237365, 290725, 335585, 411025, 476789, 656437, 1186825, 1677925, 1946393, 2383945, 3282185, 9731965, 11919725, 16410925, 19036673, 26913917, 48659825, 95183365, 134569585, 475916825, 672847925, 780503593, 3902517965, 19512589825]

約数ペア:

[(1, 19512589825), (5, 3902517965), (25, 780503593), (29, 672847925), (41, 475916825), (145, 134569585), (205, 95183365), (401, 48659825), (725, 26913917), (1025, 19036673), (1189, 16410925), (1637, 11919725), (2005, 9731965), (5945, 3282185), (8185, 2383945), (10025, 1946393), (11629, 1677925), (16441, 1186825), (29725, 656437), (40925, 476789), (47473, 411025), (58145, 335585), (67117, 290725), (82205, 237365)]