19831440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4349}}^1$

素因数の和:4384

約数の個数: 80

約数和(自身を含む): 64728000

約数和(自身を除く): 44896560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4349, 4560, 8698, 13047, 17396, 21745, 26094, 34792, 43490, 52188, 65235, 69584, 82631, 86980, 104376, 130470, 165262, 173960, 208752, 247893, 260940, 330524, 347920, 413155, 495786, 521880, 661048, 826310, 991572, 1043760, 1239465, 1322096, 1652620, 1983144, 2478930, 3305240, 3966288, 4957860, 6610480, 9915720, 19831440]

約数ペア:

[(1, 19831440), (2, 9915720), (3, 6610480), (4, 4957860), (5, 3966288), (6, 3305240), (8, 2478930), (10, 1983144), (12, 1652620), (15, 1322096), (16, 1239465), (19, 1043760), (20, 991572), (24, 826310), (30, 661048), (38, 521880), (40, 495786), (48, 413155), (57, 347920), (60, 330524), (76, 260940), (80, 247893), (95, 208752), (114, 173960), (120, 165262), (152, 130470), (190, 104376), (228, 86980), (240, 82631), (285, 69584), (304, 65235), (380, 52188), (456, 43490), (570, 34792), (760, 26094), (912, 21745), (1140, 17396), (1520, 13047), (2280, 8698), (4349, 4560)]