19867740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2417}}^1$

素因数の和:2566

約数の個数: 48

約数和(自身を含む): 56058912

約数和(自身を除く): 36191172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 137, 274, 411, 548, 685, 822, 1370, 1644, 2055, 2417, 2740, 4110, 4834, 7251, 8220, 9668, 12085, 14502, 24170, 29004, 36255, 48340, 72510, 145020, 331129, 662258, 993387, 1324516, 1655645, 1986774, 3311290, 3973548, 4966935, 6622580, 9933870, 19867740]

約数ペア:

[(1, 19867740), (2, 9933870), (3, 6622580), (4, 4966935), (5, 3973548), (6, 3311290), (10, 1986774), (12, 1655645), (15, 1324516), (20, 993387), (30, 662258), (60, 331129), (137, 145020), (274, 72510), (411, 48340), (548, 36255), (685, 29004), (822, 24170), (1370, 14502), (1644, 12085), (2055, 9668), (2417, 8220), (2740, 7251), (4110, 4834)]