19805684639

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{773}}^1\times {\mathrm{907}}^1$

素因数の和:1787

約数の個数: 32

約数和(自身を含む): 22315051584

約数和(自身を除く): 2509366945

約数列:

[1, 13, 41, 53, 533, 689, 773, 907, 2173, 10049, 11791, 28249, 31693, 37187, 40969, 48071, 412009, 483431, 532597, 624923, 701111, 1679729, 1970911, 9114443, 21836477, 25621843, 28745551, 37158883, 373692163, 483065479, 1523514203, 19805684639]

約数ペア:

[(1, 19805684639), (13, 1523514203), (41, 483065479), (53, 373692163), (533, 37158883), (689, 28745551), (773, 25621843), (907, 21836477), (2173, 9114443), (10049, 1970911), (11791, 1679729), (28249, 701111), (31693, 624923), (37187, 532597), (40969, 483431), (48071, 412009)]