18427908

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{503}}^1$

素因数の和:624

約数の個数: 48

約数和(自身を含む): 44706816

約数和(自身を除く): 26278908

約数列:

[1, 2, 3, 4, 6, 12, 43, 71, 86, 129, 142, 172, 213, 258, 284, 426, 503, 516, 852, 1006, 1509, 2012, 3018, 3053, 6036, 6106, 9159, 12212, 18318, 21629, 35713, 36636, 43258, 64887, 71426, 86516, 107139, 129774, 142852, 214278, 259548, 428556, 1535659, 3071318, 4606977, 6142636, 9213954, 18427908]

約数ペア:

[(1, 18427908), (2, 9213954), (3, 6142636), (4, 4606977), (6, 3071318), (12, 1535659), (43, 428556), (71, 259548), (86, 214278), (129, 142852), (142, 129774), (172, 107139), (213, 86516), (258, 71426), (284, 64887), (426, 43258), (503, 36636), (516, 35713), (852, 21629), (1006, 18318), (1509, 12212), (2012, 9159), (3018, 6106), (3053, 6036)]