18247995

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 33226752

約数和(自身を除く): 14978757

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 103, 127, 155, 279, 309, 381, 465, 515, 635, 927, 1143, 1395, 1545, 1905, 3193, 3937, 4635, 5715, 9579, 11811, 13081, 15965, 19685, 28737, 35433, 39243, 47895, 59055, 65405, 117729, 143685, 177165, 196215, 405511, 588645, 1216533, 2027555, 3649599, 6082665, 18247995]

約数ペア:

[(1, 18247995), (3, 6082665), (5, 3649599), (9, 2027555), (15, 1216533), (31, 588645), (45, 405511), (93, 196215), (103, 177165), (127, 143685), (155, 117729), (279, 65405), (309, 59055), (381, 47895), (465, 39243), (515, 35433), (635, 28737), (927, 19685), (1143, 15965), (1395, 13081), (1545, 11811), (1905, 9579), (3193, 5715), (3937, 4635)]