2019990008

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{111577}}^1$

素因数の和:111687

約数の個数: 32

約数和(自身を含む): 3963250560

約数和(自身を除く): 1943260552

約数列:

[1, 2, 4, 8, 31, 62, 73, 124, 146, 248, 292, 584, 2263, 4526, 9052, 18104, 111577, 223154, 446308, 892616, 3458887, 6917774, 8145121, 13835548, 16290242, 27671096, 32580484, 65160968, 252498751, 504997502, 1009995004, 2019990008]

約数ペア:

[(1, 2019990008), (2, 1009995004), (4, 504997502), (8, 252498751), (31, 65160968), (62, 32580484), (73, 27671096), (124, 16290242), (146, 13835548), (248, 8145121), (292, 6917774), (584, 3458887), (2263, 892616), (4526, 446308), (9052, 223154), (18104, 111577)]