19801084

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{809}}^1$

素因数の和:1053

約数の個数: 24

約数和(自身を含む): 36061200

約数和(自身を除く): 16260116

約数列:

[1, 2, 4, 29, 58, 116, 211, 422, 809, 844, 1618, 3236, 6119, 12238, 23461, 24476, 46922, 93844, 170699, 341398, 682796, 4950271, 9900542, 19801084]

約数ペア:

[(1, 19801084), (2, 9900542), (4, 4950271), (29, 682796), (58, 341398), (116, 170699), (211, 93844), (422, 46922), (809, 24476), (844, 23461), (1618, 12238), (3236, 6119)]