19452720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11579}}^1$

素因数の和:11602

約数の個数: 80

約数和(自身を含む): 68924160

約数和(自身を除く): 49471440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 11579, 23158, 34737, 46316, 57895, 69474, 81053, 92632, 115790, 138948, 162106, 173685, 185264, 231580, 243159, 277896, 324212, 347370, 405265, 463160, 486318, 555792, 648424, 694740, 810530, 926320, 972636, 1215795, 1296848, 1389480, 1621060, 1945272, 2431590, 2778960, 3242120, 3890544, 4863180, 6484240, 9726360, 19452720]

約数ペア:

[(1, 19452720), (2, 9726360), (3, 6484240), (4, 4863180), (5, 3890544), (6, 3242120), (7, 2778960), (8, 2431590), (10, 1945272), (12, 1621060), (14, 1389480), (15, 1296848), (16, 1215795), (20, 972636), (21, 926320), (24, 810530), (28, 694740), (30, 648424), (35, 555792), (40, 486318), (42, 463160), (48, 405265), (56, 347370), (60, 324212), (70, 277896), (80, 243159), (84, 231580), (105, 185264), (112, 173685), (120, 162106), (140, 138948), (168, 115790), (210, 92632), (240, 81053), (280, 69474), (336, 57895), (420, 46316), (560, 34737), (840, 23158), (1680, 11579)]