19741216

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3299}}^1$

素因数の和:3337

約数の個数: 48

約数和(自身を含む): 44906400

約数和(自身を除く): 25165184

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 68, 88, 136, 176, 187, 272, 352, 374, 544, 748, 1496, 2992, 3299, 5984, 6598, 13196, 26392, 36289, 52784, 56083, 72578, 105568, 112166, 145156, 224332, 290312, 448664, 580624, 616913, 897328, 1161248, 1233826, 1794656, 2467652, 4935304, 9870608, 19741216]

約数ペア:

[(1, 19741216), (2, 9870608), (4, 4935304), (8, 2467652), (11, 1794656), (16, 1233826), (17, 1161248), (22, 897328), (32, 616913), (34, 580624), (44, 448664), (68, 290312), (88, 224332), (136, 145156), (176, 112166), (187, 105568), (272, 72578), (352, 56083), (374, 52784), (544, 36289), (748, 26392), (1496, 13196), (2992, 6598), (3299, 5984)]