19129880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6211}}^1$

素因数の和:6240

約数の個数: 64

約数和(自身を含む): 53671680

約数和(自身を除く): 34541800

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, 6211, 12422, 24844, 31055, 43477, 49688, 62110, 68321, 86954, 124220, 136642, 173908, 217385, 248440, 273284, 341605, 347816, 434770, 478247, 546568, 683210, 869540, 956494, 1366420, 1739080, 1912988, 2391235, 2732840, 3825976, 4782470, 9564940, 19129880]

約数ペア:

[(1, 19129880), (2, 9564940), (4, 4782470), (5, 3825976), (7, 2732840), (8, 2391235), (10, 1912988), (11, 1739080), (14, 1366420), (20, 956494), (22, 869540), (28, 683210), (35, 546568), (40, 478247), (44, 434770), (55, 347816), (56, 341605), (70, 273284), (77, 248440), (88, 217385), (110, 173908), (140, 136642), (154, 124220), (220, 86954), (280, 68321), (308, 62110), (385, 49688), (440, 43477), (616, 31055), (770, 24844), (1540, 12422), (3080, 6211)]