16718746

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:139

約数の個数: 64

約数和(自身を含む): 31518720

約数和(自身を除く): 14799974

約数列:

[1, 2, 11, 19, 22, 23, 37, 38, 46, 47, 74, 94, 209, 253, 407, 418, 437, 506, 517, 703, 814, 851, 874, 893, 1034, 1081, 1406, 1702, 1739, 1786, 2162, 3478, 4807, 7733, 9361, 9614, 9823, 11891, 15466, 16169, 18722, 19129, 19646, 20539, 23782, 32338, 33041, 38258, 39997, 41078, 66082, 79994, 177859, 225929, 355718, 363451, 439967, 451858, 726902, 759943, 879934, 1519886, 8359373, 16718746]

約数ペア:

[(1, 16718746), (2, 8359373), (11, 1519886), (19, 879934), (22, 759943), (23, 726902), (37, 451858), (38, 439967), (46, 363451), (47, 355718), (74, 225929), (94, 177859), (209, 79994), (253, 66082), (407, 41078), (418, 39997), (437, 38258), (506, 33041), (517, 32338), (703, 23782), (814, 20539), (851, 19646), (874, 19129), (893, 18722), (1034, 16169), (1081, 15466), (1406, 11891), (1702, 9823), (1739, 9614), (1786, 9361), (2162, 7733), (3478, 4807)]