19893357

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{269}}^1$

素因数の和:375

約数の個数: 40

約数和(自身を含む): 32931360

約数和(自身を除く): 13038003

約数列:

[1, 3, 9, 11, 27, 33, 81, 83, 99, 249, 269, 297, 747, 807, 891, 913, 2241, 2421, 2739, 2959, 6723, 7263, 8217, 8877, 21789, 22327, 24651, 26631, 66981, 73953, 79893, 200943, 239679, 245597, 602829, 736791, 1808487, 2210373, 6631119, 19893357]

約数ペア:

[(1, 19893357), (3, 6631119), (9, 2210373), (11, 1808487), (27, 736791), (33, 602829), (81, 245597), (83, 239679), (99, 200943), (249, 79893), (269, 73953), (297, 66981), (747, 26631), (807, 24651), (891, 22327), (913, 21789), (2241, 8877), (2421, 8217), (2739, 7263), (2959, 6723)]