19633691

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{283}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 26500608

約数和(自身を除く): 6866917

約数列:

[1, 7, 11, 17, 53, 77, 119, 187, 283, 371, 583, 901, 1309, 1981, 3113, 4081, 4811, 6307, 9911, 14999, 21791, 33677, 52921, 69377, 104993, 164989, 254983, 370447, 1154923, 1784881, 2804813, 19633691]

約数ペア:

[(1, 19633691), (7, 2804813), (11, 1784881), (17, 1154923), (53, 370447), (77, 254983), (119, 164989), (187, 104993), (283, 69377), (371, 52921), (583, 33677), (901, 21791), (1309, 14999), (1981, 9911), (3113, 6307), (4081, 4811)]