18513880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6011}}^1$

素因数の和:6040

約数の個数: 64

約数和(自身を含む): 51943680

約数和(自身を除く): 33429800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 6011, 12022, 24044, 30055, 42077, 48088, 60110, 66121, 84154, 120220, 132242, 168308, 210385, 240440, 264484, 330605, 336616, 420770, 462847, 528968, 661210, 841540, 925694, 1322420, 1683080, 1851388, 2314235, 2644840, 3702776, 4628470, 9256940, 18513880]

約数ペア:

[(1, 18513880), (2, 9256940), (4, 4628470), (5, 3702776), (7, 2644840), (8, 2314235), (10, 1851388), (11, 1683080), (14, 1322420), (20, 925694), (22, 841540), (28, 661210), (35, 528968), (40, 462847), (44, 420770), (55, 336616), (56, 330605), (70, 264484), (77, 240440), (88, 210385), (110, 168308), (140, 132242), (154, 120220), (220, 84154), (280, 66121), (308, 60110), (385, 48088), (440, 42077), (616, 30055), (770, 24044), (1540, 12022), (3080, 6011)]