19203910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{269}}^1$

素因数の和:357

約数の個数: 48

約数和(自身を含む): 38782800

約数和(自身を除く): 19578890

約数列:

[1, 2, 5, 10, 11, 22, 55, 59, 110, 118, 121, 242, 269, 295, 538, 590, 605, 649, 1210, 1298, 1345, 2690, 2959, 3245, 5918, 6490, 7139, 14278, 14795, 15871, 29590, 31742, 32549, 35695, 65098, 71390, 79355, 158710, 162745, 174581, 325490, 349162, 872905, 1745810, 1920391, 3840782, 9601955, 19203910]

約数ペア:

[(1, 19203910), (2, 9601955), (5, 3840782), (10, 1920391), (11, 1745810), (22, 872905), (55, 349162), (59, 325490), (110, 174581), (118, 162745), (121, 158710), (242, 79355), (269, 71390), (295, 65098), (538, 35695), (590, 32549), (605, 31742), (649, 29590), (1210, 15871), (1298, 14795), (1345, 14278), (2690, 7139), (2959, 6490), (3245, 5918)]