18343088

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:381

約数の個数: 40

約数和(自身を含む): 36747648

約数和(自身を除く): 18404560

約数列:

[1, 2, 4, 8, 16, 53, 97, 106, 194, 212, 223, 388, 424, 446, 776, 848, 892, 1552, 1784, 3568, 5141, 10282, 11819, 20564, 21631, 23638, 41128, 43262, 47276, 82256, 86524, 94552, 173048, 189104, 346096, 1146443, 2292886, 4585772, 9171544, 18343088]

約数ペア:

[(1, 18343088), (2, 9171544), (4, 4585772), (8, 2292886), (16, 1146443), (53, 346096), (97, 189104), (106, 173048), (194, 94552), (212, 86524), (223, 82256), (388, 47276), (424, 43262), (446, 41128), (776, 23638), (848, 21631), (892, 20564), (1552, 11819), (1784, 10282), (3568, 5141)]