20154618

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{743}}^1$

素因数の和:899

約数の個数: 48

約数和(自身を含む): 48050496

約数和(自身を除く): 27895878

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 137, 198, 274, 411, 743, 822, 1233, 1486, 1507, 2229, 2466, 3014, 4458, 4521, 6687, 8173, 9042, 13374, 13563, 16346, 24519, 27126, 49038, 73557, 101791, 147114, 203582, 305373, 610746, 916119, 1119701, 1832238, 2239402, 3359103, 6718206, 10077309, 20154618]

約数ペア:

[(1, 20154618), (2, 10077309), (3, 6718206), (6, 3359103), (9, 2239402), (11, 1832238), (18, 1119701), (22, 916119), (33, 610746), (66, 305373), (99, 203582), (137, 147114), (198, 101791), (274, 73557), (411, 49038), (743, 27126), (822, 24519), (1233, 16346), (1486, 13563), (1507, 13374), (2229, 9042), (2466, 8173), (3014, 6687), (4458, 4521)]