19494937

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 26313984

約数和(自身を除く): 6819047

約数列:

[1, 7, 11, 17, 53, 77, 119, 187, 281, 371, 583, 901, 1309, 1967, 3091, 4081, 4777, 6307, 9911, 14893, 21637, 33439, 52547, 69377, 104251, 163823, 253181, 367829, 1146761, 1772267, 2784991, 19494937]

約数ペア:

[(1, 19494937), (7, 2784991), (11, 1772267), (17, 1146761), (53, 367829), (77, 253181), (119, 163823), (187, 104251), (281, 69377), (371, 52547), (583, 33439), (901, 21637), (1309, 14893), (1967, 9911), (3091, 6307), (4081, 4777)]