18681228

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{9791}}^1$

素因数の和:9854

約数の個数: 36

約数和(自身を含む): 48117888

約数和(自身を除く): 29436660

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 954, 1908, 9791, 19582, 29373, 39164, 58746, 88119, 117492, 176238, 352476, 518923, 1037846, 1556769, 2075692, 3113538, 4670307, 6227076, 9340614, 18681228]

約数ペア:

[(1, 18681228), (2, 9340614), (3, 6227076), (4, 4670307), (6, 3113538), (9, 2075692), (12, 1556769), (18, 1037846), (36, 518923), (53, 352476), (106, 176238), (159, 117492), (212, 88119), (318, 58746), (477, 39164), (636, 29373), (954, 19582), (1908, 9791)]