18903274956

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{44129}}^1$

素因数の和:44375

約数の個数: 72

約数和(自身を含む): 48736112880

約数和(自身を除く): 29832837924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 146, 163, 219, 292, 326, 438, 489, 652, 657, 876, 978, 1314, 1467, 1956, 2628, 2934, 5868, 11899, 23798, 35697, 44129, 47596, 71394, 88258, 107091, 132387, 142788, 176516, 214182, 264774, 397161, 428364, 529548, 794322, 1588644, 3221417, 6442834, 7193027, 9664251, 12885668, 14386054, 19328502, 21579081, 28772108, 28992753, 38657004, 43158162, 57985506, 64737243, 86316324, 115971012, 129474486, 258948972, 525090971, 1050181942, 1575272913, 2100363884, 3150545826, 4725818739, 6301091652, 9451637478, 18903274956]

約数ペア:

[(1, 18903274956), (2, 9451637478), (3, 6301091652), (4, 4725818739), (6, 3150545826), (9, 2100363884), (12, 1575272913), (18, 1050181942), (36, 525090971), (73, 258948972), (146, 129474486), (163, 115971012), (219, 86316324), (292, 64737243), (326, 57985506), (438, 43158162), (489, 38657004), (652, 28992753), (657, 28772108), (876, 21579081), (978, 19328502), (1314, 14386054), (1467, 12885668), (1956, 9664251), (2628, 7193027), (2934, 6442834), (5868, 3221417), (11899, 1588644), (23798, 794322), (35697, 529548), (44129, 428364), (47596, 397161), (71394, 264774), (88258, 214182), (107091, 176516), (132387, 142788)]