219093712

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{720703}}^1$

素因数の和:720730

約数の個数: 20

約数和(自身を含む): 446836480

約数和(自身を除く): 227742768

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 720703, 1441406, 2882812, 5765624, 11531248, 13693357, 27386714, 54773428, 109546856, 219093712]

約数ペア:

[(1, 219093712), (2, 109546856), (4, 54773428), (8, 27386714), (16, 13693357), (19, 11531248), (38, 5765624), (76, 2882812), (152, 1441406), (304, 720703)]