19762004

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:216

約数の個数: 36

約数和(自身を含む): 36784692

約数和(自身を除く): 17022688

約数列:

[1, 2, 4, 31, 53, 62, 97, 106, 124, 194, 212, 388, 961, 1643, 1922, 3007, 3286, 3844, 5141, 6014, 6572, 10282, 12028, 20564, 50933, 93217, 101866, 159371, 186434, 203732, 318742, 372868, 637484, 4940501, 9881002, 19762004]

約数ペア:

[(1, 19762004), (2, 9881002), (4, 4940501), (31, 637484), (53, 372868), (62, 318742), (97, 203732), (106, 186434), (124, 159371), (194, 101866), (212, 93217), (388, 50933), (961, 20564), (1643, 12028), (1922, 10282), (3007, 6572), (3286, 6014), (3844, 5141)]