19862154

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4993}}^1$

素因数の和:5031

約数の個数: 48

約数和(自身を含む): 49081032

約数和(自身を除く): 29218878

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 4993, 9986, 14979, 29958, 44937, 64909, 84881, 89874, 129818, 169762, 194727, 254643, 389454, 509286, 584181, 763929, 1103453, 1168362, 1527858, 2206906, 3310359, 6620718, 9931077, 19862154]

約数ペア:

[(1, 19862154), (2, 9931077), (3, 6620718), (6, 3310359), (9, 2206906), (13, 1527858), (17, 1168362), (18, 1103453), (26, 763929), (34, 584181), (39, 509286), (51, 389454), (78, 254643), (102, 194727), (117, 169762), (153, 129818), (221, 89874), (234, 84881), (306, 64909), (442, 44937), (663, 29958), (1326, 14979), (1989, 9986), (3978, 4993)]