18888738

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{2089}}^1$

素因数の和:2242

約数の個数: 32

約数和(自身を含む): 41532480

約数和(自身を除く): 22643742

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 137, 274, 411, 822, 1507, 2089, 3014, 4178, 4521, 6267, 9042, 12534, 22979, 45958, 68937, 137874, 286193, 572386, 858579, 1717158, 3148123, 6296246, 9444369, 18888738]

約数ペア:

[(1, 18888738), (2, 9444369), (3, 6296246), (6, 3148123), (11, 1717158), (22, 858579), (33, 572386), (66, 286193), (137, 137874), (274, 68937), (411, 45958), (822, 22979), (1507, 12534), (2089, 9042), (3014, 6267), (4178, 4521)]