18727722

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{491}}^1$

素因数の和:675

約数の個数: 48

約数和(自身を含む): 44055648

約数和(自身を除く): 25327926

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 163, 234, 326, 489, 491, 978, 982, 1467, 1473, 2119, 2934, 2946, 4238, 4419, 6357, 6383, 8838, 12714, 12766, 19071, 19149, 38142, 38298, 57447, 80033, 114894, 160066, 240099, 480198, 720297, 1040429, 1440594, 2080858, 3121287, 6242574, 9363861, 18727722]

約数ペア:

[(1, 18727722), (2, 9363861), (3, 6242574), (6, 3121287), (9, 2080858), (13, 1440594), (18, 1040429), (26, 720297), (39, 480198), (78, 240099), (117, 160066), (163, 114894), (234, 80033), (326, 57447), (489, 38298), (491, 38142), (978, 19149), (982, 19071), (1467, 12766), (1473, 12714), (2119, 8838), (2934, 6383), (2946, 6357), (4238, 4419)]