19982250

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:213

約数の個数: 96

約数和(自身を含む): 55194048

約数和(自身を除く): 35211798

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 83, 90, 107, 125, 150, 166, 214, 225, 249, 250, 321, 375, 415, 450, 498, 535, 642, 747, 750, 830, 963, 1070, 1125, 1245, 1494, 1605, 1926, 2075, 2250, 2490, 2675, 3210, 3735, 4150, 4815, 5350, 6225, 7470, 8025, 8881, 9630, 10375, 12450, 13375, 16050, 17762, 18675, 20750, 24075, 26643, 26750, 31125, 37350, 40125, 44405, 48150, 53286, 62250, 79929, 80250, 88810, 93375, 120375, 133215, 159858, 186750, 222025, 240750, 266430, 399645, 444050, 666075, 799290, 1110125, 1332150, 1998225, 2220250, 3330375, 3996450, 6660750, 9991125, 19982250]

約数ペア:

[(1, 19982250), (2, 9991125), (3, 6660750), (5, 3996450), (6, 3330375), (9, 2220250), (10, 1998225), (15, 1332150), (18, 1110125), (25, 799290), (30, 666075), (45, 444050), (50, 399645), (75, 266430), (83, 240750), (90, 222025), (107, 186750), (125, 159858), (150, 133215), (166, 120375), (214, 93375), (225, 88810), (249, 80250), (250, 79929), (321, 62250), (375, 53286), (415, 48150), (450, 44405), (498, 40125), (535, 37350), (642, 31125), (747, 26750), (750, 26643), (830, 24075), (963, 20750), (1070, 18675), (1125, 17762), (1245, 16050), (1494, 13375), (1605, 12450), (1926, 10375), (2075, 9630), (2250, 8881), (2490, 8025), (2675, 7470), (3210, 6225), (3735, 5350), (4150, 4815)]