16689402

素因数分解:

$2^1\times 3^4\times {\mathrm{71}}^1\times {\mathrm{1451}}^1$

素因数の和:1536

約数の個数: 40

約数和(自身を含む): 37949472

約数和(自身を除く): 21260070

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 142, 162, 213, 426, 639, 1278, 1451, 1917, 2902, 3834, 4353, 5751, 8706, 11502, 13059, 26118, 39177, 78354, 103021, 117531, 206042, 235062, 309063, 618126, 927189, 1854378, 2781567, 5563134, 8344701, 16689402]

約数ペア:

[(1, 16689402), (2, 8344701), (3, 5563134), (6, 2781567), (9, 1854378), (18, 927189), (27, 618126), (54, 309063), (71, 235062), (81, 206042), (142, 117531), (162, 103021), (213, 78354), (426, 39177), (639, 26118), (1278, 13059), (1451, 11502), (1917, 8706), (2902, 5751), (3834, 4353)]