18978530

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1693}}^1$

素因数の和:1778

約数の個数: 32

約数和(自身を含む): 36590400

約数和(自身を除く): 17611870

約数列:

[1, 2, 5, 10, 19, 38, 59, 95, 118, 190, 295, 590, 1121, 1693, 2242, 3386, 5605, 8465, 11210, 16930, 32167, 64334, 99887, 160835, 199774, 321670, 499435, 998870, 1897853, 3795706, 9489265, 18978530]

約数ペア:

[(1, 18978530), (2, 9489265), (5, 3795706), (10, 1897853), (19, 998870), (38, 499435), (59, 321670), (95, 199774), (118, 160835), (190, 99887), (295, 64334), (590, 32167), (1121, 16930), (1693, 11210), (2242, 8465), (3386, 5605)]