18693928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2689}}^1$

素因数の和:2785

約数の個数: 32

約数和(自身を含む): 38736000

約数和(自身を除く): 20042072

約数列:

[1, 2, 4, 8, 11, 22, 44, 79, 88, 158, 316, 632, 869, 1738, 2689, 3476, 5378, 6952, 10756, 21512, 29579, 59158, 118316, 212431, 236632, 424862, 849724, 1699448, 2336741, 4673482, 9346964, 18693928]

約数ペア:

[(1, 18693928), (2, 9346964), (4, 4673482), (8, 2336741), (11, 1699448), (22, 849724), (44, 424862), (79, 236632), (88, 212431), (158, 118316), (316, 59158), (632, 29579), (869, 21512), (1738, 10756), (2689, 6952), (3476, 5378)]