19822160

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1951}}^1$

素因数の和:2091

約数の個数: 40

約数和(自身を含む): 46473216

約数和(自身を除く): 26651056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 1951, 2032, 2540, 3902, 5080, 7804, 9755, 10160, 15608, 19510, 31216, 39020, 78040, 156080, 247777, 495554, 991108, 1238885, 1982216, 2477770, 3964432, 4955540, 9911080, 19822160]

約数ペア:

[(1, 19822160), (2, 9911080), (4, 4955540), (5, 3964432), (8, 2477770), (10, 1982216), (16, 1238885), (20, 991108), (40, 495554), (80, 247777), (127, 156080), (254, 78040), (508, 39020), (635, 31216), (1016, 19510), (1270, 15608), (1951, 10160), (2032, 9755), (2540, 7804), (3902, 5080)]