16781844

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{19697}}^1$

素因数の和:19775

約数の個数: 24

約数和(自身を含む): 39711168

約数和(自身を除く): 22929324

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 19697, 39394, 59091, 78788, 118182, 236364, 1398487, 2796974, 4195461, 5593948, 8390922, 16781844]

約数ペア:

[(1, 16781844), (2, 8390922), (3, 5593948), (4, 4195461), (6, 2796974), (12, 1398487), (71, 236364), (142, 118182), (213, 78788), (284, 59091), (426, 39394), (852, 19697)]