18731322012

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{244547}}^1$

素因数の和:245058

約数の個数: 48

約数和(自身を含む): 47164505472

約数和(自身を除く): 28433183460

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 491, 982, 1473, 1964, 2946, 5892, 6383, 12766, 19149, 25532, 38298, 76596, 244547, 489094, 733641, 978188, 1467282, 2934564, 3179111, 6358222, 9537333, 12716444, 19074666, 38149332, 120072577, 240145154, 360217731, 480290308, 720435462, 1440870924, 1560943501, 3121887002, 4682830503, 6243774004, 9365661006, 18731322012]

約数ペア:

[(1, 18731322012), (2, 9365661006), (3, 6243774004), (4, 4682830503), (6, 3121887002), (12, 1560943501), (13, 1440870924), (26, 720435462), (39, 480290308), (52, 360217731), (78, 240145154), (156, 120072577), (491, 38149332), (982, 19074666), (1473, 12716444), (1964, 9537333), (2946, 6358222), (5892, 3179111), (6383, 2934564), (12766, 1467282), (19149, 978188), (25532, 733641), (38298, 489094), (76596, 244547)]