18966780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{15053}}^1$

素因数の和:15075

約数の個数: 72

約数和(自身を含む): 65755872

約数和(自身を除く): 46789092

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 15053, 30106, 45159, 60212, 75265, 90318, 105371, 135477, 150530, 180636, 210742, 225795, 270954, 301060, 316113, 421484, 451590, 526855, 541908, 632226, 677385, 903180, 948339, 1053710, 1264452, 1354770, 1580565, 1896678, 2107420, 2709540, 3161130, 3793356, 4741695, 6322260, 9483390, 18966780]

約数ペア:

[(1, 18966780), (2, 9483390), (3, 6322260), (4, 4741695), (5, 3793356), (6, 3161130), (7, 2709540), (9, 2107420), (10, 1896678), (12, 1580565), (14, 1354770), (15, 1264452), (18, 1053710), (20, 948339), (21, 903180), (28, 677385), (30, 632226), (35, 541908), (36, 526855), (42, 451590), (45, 421484), (60, 316113), (63, 301060), (70, 270954), (84, 225795), (90, 210742), (105, 180636), (126, 150530), (140, 135477), (180, 105371), (210, 90318), (252, 75265), (315, 60212), (420, 45159), (630, 30106), (1260, 15053)]