18051748

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 39623360

約数和(自身を除く): 21571612

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 44, 52, 76, 121, 143, 151, 209, 242, 247, 286, 302, 418, 484, 494, 572, 604, 836, 988, 1573, 1661, 1963, 2299, 2717, 2869, 3146, 3322, 3926, 4598, 5434, 5738, 6292, 6644, 7852, 9196, 10868, 11476, 18271, 21593, 29887, 31559, 36542, 37297, 43186, 59774, 63118, 73084, 74594, 86372, 119548, 126236, 149188, 237523, 347149, 410267, 475046, 694298, 820534, 950092, 1388596, 1641068, 4512937, 9025874, 18051748]

約数ペア:

[(1, 18051748), (2, 9025874), (4, 4512937), (11, 1641068), (13, 1388596), (19, 950092), (22, 820534), (26, 694298), (38, 475046), (44, 410267), (52, 347149), (76, 237523), (121, 149188), (143, 126236), (151, 119548), (209, 86372), (242, 74594), (247, 73084), (286, 63118), (302, 59774), (418, 43186), (484, 37297), (494, 36542), (572, 31559), (604, 29887), (836, 21593), (988, 18271), (1573, 11476), (1661, 10868), (1963, 9196), (2299, 7852), (2717, 6644), (2869, 6292), (3146, 5738), (3322, 5434), (3926, 4598)]