18732402

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{277}}^1$

素因数の和:332

約数の個数: 72

約数和(自身を含む): 46598916

約数和(自身を除く): 27866514

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 277, 289, 306, 442, 554, 578, 663, 831, 867, 1326, 1662, 1734, 1989, 2493, 2601, 3601, 3757, 3978, 4709, 4986, 5202, 7202, 7514, 9418, 10803, 11271, 14127, 21606, 22542, 28254, 32409, 33813, 42381, 61217, 64818, 67626, 80053, 84762, 122434, 160106, 183651, 240159, 367302, 480318, 550953, 720477, 1040689, 1101906, 1440954, 2081378, 3122067, 6244134, 9366201, 18732402]

約数ペア:

[(1, 18732402), (2, 9366201), (3, 6244134), (6, 3122067), (9, 2081378), (13, 1440954), (17, 1101906), (18, 1040689), (26, 720477), (34, 550953), (39, 480318), (51, 367302), (78, 240159), (102, 183651), (117, 160106), (153, 122434), (221, 84762), (234, 80053), (277, 67626), (289, 64818), (306, 61217), (442, 42381), (554, 33813), (578, 32409), (663, 28254), (831, 22542), (867, 21606), (1326, 14127), (1662, 11271), (1734, 10803), (1989, 9418), (2493, 7514), (2601, 7202), (3601, 5202), (3757, 4986), (3978, 4709)]