18117484

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{997}}^1$

素因数の和:1078

約数の個数: 48

約数和(自身を含む): 40239360

約数和(自身を除く): 22121876

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 59, 77, 118, 154, 236, 308, 413, 649, 826, 997, 1298, 1652, 1994, 2596, 3988, 4543, 6979, 9086, 10967, 13958, 18172, 21934, 27916, 43868, 58823, 76769, 117646, 153538, 235292, 307076, 411761, 647053, 823522, 1294106, 1647044, 2588212, 4529371, 9058742, 18117484]

約数ペア:

[(1, 18117484), (2, 9058742), (4, 4529371), (7, 2588212), (11, 1647044), (14, 1294106), (22, 823522), (28, 647053), (44, 411761), (59, 307076), (77, 235292), (118, 153538), (154, 117646), (236, 76769), (308, 58823), (413, 43868), (649, 27916), (826, 21934), (997, 18172), (1298, 13958), (1652, 10967), (1994, 9086), (2596, 6979), (3988, 4543)]