11985808

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{443}}^1$

素因数の和:559

約数の個数: 40

約数和(自身を含む): 24775200

約数和(自身を除く): 12789392

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 89, 152, 178, 304, 356, 443, 712, 886, 1424, 1691, 1772, 3382, 3544, 6764, 7088, 8417, 13528, 16834, 27056, 33668, 39427, 67336, 78854, 134672, 157708, 315416, 630832, 749113, 1498226, 2996452, 5992904, 11985808]

約数ペア:

[(1, 11985808), (2, 5992904), (4, 2996452), (8, 1498226), (16, 749113), (19, 630832), (38, 315416), (76, 157708), (89, 134672), (152, 78854), (178, 67336), (304, 39427), (356, 33668), (443, 27056), (712, 16834), (886, 13528), (1424, 8417), (1691, 7088), (1772, 6764), (3382, 3544)]