19421500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:236

約数の個数: 96

約数和(自身を含む): 50319360

約数和(自身を除く): 30897860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 62, 70, 100, 124, 125, 140, 155, 175, 179, 217, 250, 310, 350, 358, 434, 500, 620, 700, 716, 775, 868, 875, 895, 1085, 1253, 1550, 1750, 1790, 2170, 2506, 3100, 3500, 3580, 3875, 4340, 4475, 5012, 5425, 5549, 6265, 7750, 8950, 10850, 11098, 12530, 15500, 17900, 21700, 22196, 22375, 25060, 27125, 27745, 31325, 38843, 44750, 54250, 55490, 62650, 77686, 89500, 108500, 110980, 125300, 138725, 155372, 156625, 194215, 277450, 313250, 388430, 554900, 626500, 693625, 776860, 971075, 1387250, 1942150, 2774500, 3884300, 4855375, 9710750, 19421500]

約数ペア:

[(1, 19421500), (2, 9710750), (4, 4855375), (5, 3884300), (7, 2774500), (10, 1942150), (14, 1387250), (20, 971075), (25, 776860), (28, 693625), (31, 626500), (35, 554900), (50, 388430), (62, 313250), (70, 277450), (100, 194215), (124, 156625), (125, 155372), (140, 138725), (155, 125300), (175, 110980), (179, 108500), (217, 89500), (250, 77686), (310, 62650), (350, 55490), (358, 54250), (434, 44750), (500, 38843), (620, 31325), (700, 27745), (716, 27125), (775, 25060), (868, 22375), (875, 22196), (895, 21700), (1085, 17900), (1253, 15500), (1550, 12530), (1750, 11098), (1790, 10850), (2170, 8950), (2506, 7750), (3100, 6265), (3500, 5549), (3580, 5425), (3875, 5012), (4340, 4475)]