19835753

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 26173440

約数和(自身を除く): 6337687

約数列:

[1, 7, 17, 19, 31, 119, 133, 217, 283, 323, 527, 589, 1981, 2261, 3689, 4123, 4811, 5377, 8773, 10013, 33677, 37639, 61411, 70091, 91409, 149141, 166687, 639863, 1043987, 1166809, 2833679, 19835753]

約数ペア:

[(1, 19835753), (7, 2833679), (17, 1166809), (19, 1043987), (31, 639863), (119, 166687), (133, 149141), (217, 91409), (283, 70091), (323, 61411), (527, 37639), (589, 33677), (1981, 10013), (2261, 8773), (3689, 5377), (4123, 4811)]