19834925

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:194

約数の個数: 36

約数和(自身を含む): 27706560

約数和(自身を除く): 7871635

約数列:

[1, 5, 11, 25, 55, 79, 83, 121, 275, 395, 415, 605, 869, 913, 1975, 2075, 3025, 4345, 4565, 6557, 9559, 10043, 21725, 22825, 32785, 47795, 50215, 72127, 163925, 238975, 251075, 360635, 793397, 1803175, 3966985, 19834925]

約数ペア:

[(1, 19834925), (5, 3966985), (11, 1803175), (25, 793397), (55, 360635), (79, 251075), (83, 238975), (121, 163925), (275, 72127), (395, 50215), (415, 47795), (605, 32785), (869, 22825), (913, 21725), (1975, 10043), (2075, 9559), (3025, 6557), (4345, 4565)]