19314976868

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{89}}^1\times {\mathrm{40763}}^1$

素因数の和:40889

約数の個数: 48

約数和(自身を含む): 37597452480

約数和(自身を除く): 18282475612

約数列:

[1, 2, 4, 11, 22, 44, 89, 121, 178, 242, 356, 484, 979, 1331, 1958, 2662, 3916, 5324, 10769, 21538, 40763, 43076, 81526, 118459, 163052, 236918, 448393, 473836, 896786, 1793572, 3627907, 4932323, 7255814, 9864646, 14511628, 19729292, 39906977, 54255553, 79813954, 108511106, 159627908, 217022212, 438976747, 877953494, 1755906988, 4828744217, 9657488434, 19314976868]

約数ペア:

[(1, 19314976868), (2, 9657488434), (4, 4828744217), (11, 1755906988), (22, 877953494), (44, 438976747), (89, 217022212), (121, 159627908), (178, 108511106), (242, 79813954), (356, 54255553), (484, 39906977), (979, 19729292), (1331, 14511628), (1958, 9864646), (2662, 7255814), (3916, 4932323), (5324, 3627907), (10769, 1793572), (21538, 896786), (40763, 473836), (43076, 448393), (81526, 236918), (118459, 163052)]