18561642

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{691}}^1$

素因数の和:755

約数の個数: 48

約数和(自身を含む): 41968416

約数和(自身を除く): 23406774

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 74, 111, 121, 222, 242, 363, 407, 691, 726, 814, 1221, 1382, 2073, 2442, 4146, 4477, 7601, 8954, 13431, 15202, 22803, 25567, 26862, 45606, 51134, 76701, 83611, 153402, 167222, 250833, 281237, 501666, 562474, 843711, 1687422, 3093607, 6187214, 9280821, 18561642]

約数ペア:

[(1, 18561642), (2, 9280821), (3, 6187214), (6, 3093607), (11, 1687422), (22, 843711), (33, 562474), (37, 501666), (66, 281237), (74, 250833), (111, 167222), (121, 153402), (222, 83611), (242, 76701), (363, 51134), (407, 45606), (691, 26862), (726, 25567), (814, 22803), (1221, 15202), (1382, 13431), (2073, 8954), (2442, 7601), (4146, 4477)]