19073560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{647}}^1$

素因数の和:736

約数の個数: 64

約数和(自身を含む): 47589120

約数和(自身を除く): 28515560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 110, 134, 220, 268, 335, 440, 536, 647, 670, 737, 1294, 1340, 1474, 2588, 2680, 2948, 3235, 3685, 5176, 5896, 6470, 7117, 7370, 12940, 14234, 14740, 25880, 28468, 29480, 35585, 43349, 56936, 71170, 86698, 142340, 173396, 216745, 284680, 346792, 433490, 476839, 866980, 953678, 1733960, 1907356, 2384195, 3814712, 4768390, 9536780, 19073560]

約数ペア:

[(1, 19073560), (2, 9536780), (4, 4768390), (5, 3814712), (8, 2384195), (10, 1907356), (11, 1733960), (20, 953678), (22, 866980), (40, 476839), (44, 433490), (55, 346792), (67, 284680), (88, 216745), (110, 173396), (134, 142340), (220, 86698), (268, 71170), (335, 56936), (440, 43349), (536, 35585), (647, 29480), (670, 28468), (737, 25880), (1294, 14740), (1340, 14234), (1474, 12940), (2588, 7370), (2680, 7117), (2948, 6470), (3235, 5896), (3685, 5176)]