19111580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{397}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 42124320

約数和(自身を除く): 23012740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 83, 116, 145, 166, 290, 332, 397, 415, 580, 794, 830, 1588, 1660, 1985, 2407, 3970, 4814, 7940, 9628, 11513, 12035, 23026, 24070, 32951, 46052, 48140, 57565, 65902, 115130, 131804, 164755, 230260, 329510, 659020, 955579, 1911158, 3822316, 4777895, 9555790, 19111580]

約数ペア:

[(1, 19111580), (2, 9555790), (4, 4777895), (5, 3822316), (10, 1911158), (20, 955579), (29, 659020), (58, 329510), (83, 230260), (116, 164755), (145, 131804), (166, 115130), (290, 65902), (332, 57565), (397, 48140), (415, 46052), (580, 32951), (794, 24070), (830, 23026), (1588, 12035), (1660, 11513), (1985, 9628), (2407, 7940), (3970, 4814)]