19867616

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{797}}^1$

素因数の和:867

約数の個数: 48

約数和(自身を含む): 42230160

約数和(自身を除く): 22362544

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 41, 76, 82, 152, 164, 304, 328, 608, 656, 779, 797, 1312, 1558, 1594, 3116, 3188, 6232, 6376, 12464, 12752, 15143, 24928, 25504, 30286, 32677, 60572, 65354, 121144, 130708, 242288, 261416, 484576, 522832, 620863, 1045664, 1241726, 2483452, 4966904, 9933808, 19867616]

約数ペア:

[(1, 19867616), (2, 9933808), (4, 4966904), (8, 2483452), (16, 1241726), (19, 1045664), (32, 620863), (38, 522832), (41, 484576), (76, 261416), (82, 242288), (152, 130708), (164, 121144), (304, 65354), (328, 60572), (608, 32677), (656, 30286), (779, 25504), (797, 24928), (1312, 15143), (1558, 12752), (1594, 12464), (3116, 6376), (3188, 6232)]