19787864

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1753}}^1$

素因数の和:1859

約数の個数: 32

約数和(自身を含む): 39780720

約数和(自身を除く): 19992856

約数列:

[1, 2, 4, 8, 17, 34, 68, 83, 136, 166, 332, 664, 1411, 1753, 2822, 3506, 5644, 7012, 11288, 14024, 29801, 59602, 119204, 145499, 238408, 290998, 581996, 1163992, 2473483, 4946966, 9893932, 19787864]

約数ペア:

[(1, 19787864), (2, 9893932), (4, 4946966), (8, 2473483), (17, 1163992), (34, 581996), (68, 290998), (83, 238408), (136, 145499), (166, 119204), (332, 59602), (664, 29801), (1411, 14024), (1753, 11288), (2822, 7012), (3506, 5644)]