18914994

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7901}}^1$

素因数の和:7935

約数の個数: 48

約数和(自身を含む): 49308480

約数和(自身を除く): 30393486

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 399, 798, 1197, 2394, 7901, 15802, 23703, 47406, 55307, 71109, 110614, 142218, 150119, 165921, 300238, 331842, 450357, 497763, 900714, 995526, 1050833, 1351071, 2101666, 2702142, 3152499, 6304998, 9457497, 18914994]

約数ペア:

[(1, 18914994), (2, 9457497), (3, 6304998), (6, 3152499), (7, 2702142), (9, 2101666), (14, 1351071), (18, 1050833), (19, 995526), (21, 900714), (38, 497763), (42, 450357), (57, 331842), (63, 300238), (114, 165921), (126, 150119), (133, 142218), (171, 110614), (266, 71109), (342, 55307), (399, 47406), (798, 23703), (1197, 15802), (2394, 7901)]