19635272

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{353}}^1\times {\mathrm{409}}^1$

素因数の和:785

約数の個数: 32

約数和(自身を含む): 39187800

約数和(自身を除く): 19552528

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 353, 409, 706, 818, 1412, 1636, 2824, 3272, 6001, 6953, 12002, 13906, 24004, 27812, 48008, 55624, 144377, 288754, 577508, 1155016, 2454409, 4908818, 9817636, 19635272]

約数ペア:

[(1, 19635272), (2, 9817636), (4, 4908818), (8, 2454409), (17, 1155016), (34, 577508), (68, 288754), (136, 144377), (353, 55624), (409, 48008), (706, 27812), (818, 24004), (1412, 13906), (1636, 12002), (2824, 6953), (3272, 6001)]