19550905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 27527040

約数和(自身を除く): 7976135

約数列:

[1, 5, 11, 19, 53, 55, 95, 209, 265, 353, 583, 1007, 1045, 1765, 2915, 3883, 5035, 6707, 11077, 18709, 19415, 33535, 55385, 73777, 93545, 205799, 355471, 368885, 1028995, 1777355, 3910181, 19550905]

約数ペア:

[(1, 19550905), (5, 3910181), (11, 1777355), (19, 1028995), (53, 368885), (55, 355471), (95, 205799), (209, 93545), (265, 73777), (353, 55385), (583, 33535), (1007, 19415), (1045, 18709), (1765, 11077), (2915, 6707), (3883, 5035)]