19818480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7507}}^1$

素因数の和:7534

約数の個数: 80

約数和(自身を含む): 67031424

約数和(自身を除く): 47212944

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 7507, 15014, 22521, 30028, 37535, 45042, 60056, 75070, 82577, 90084, 112605, 120112, 150140, 165154, 180168, 225210, 247731, 300280, 330308, 360336, 412885, 450420, 495462, 600560, 660616, 825770, 900840, 990924, 1238655, 1321232, 1651540, 1801680, 1981848, 2477310, 3303080, 3963696, 4954620, 6606160, 9909240, 19818480]

約数ペア:

[(1, 19818480), (2, 9909240), (3, 6606160), (4, 4954620), (5, 3963696), (6, 3303080), (8, 2477310), (10, 1981848), (11, 1801680), (12, 1651540), (15, 1321232), (16, 1238655), (20, 990924), (22, 900840), (24, 825770), (30, 660616), (33, 600560), (40, 495462), (44, 450420), (48, 412885), (55, 360336), (60, 330308), (66, 300280), (80, 247731), (88, 225210), (110, 180168), (120, 165154), (132, 150140), (165, 120112), (176, 112605), (220, 90084), (240, 82577), (264, 75070), (330, 60056), (440, 45042), (528, 37535), (660, 30028), (880, 22521), (1320, 15014), (2640, 7507)]