19198890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{337}}^1$

素因数の和:564

約数の個数: 64

約数和(自身を含む): 51592320

約数和(自身を除く): 32393430

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 211, 270, 337, 422, 633, 674, 1011, 1055, 1266, 1685, 1899, 2022, 2110, 3033, 3165, 3370, 3798, 5055, 5697, 6066, 6330, 9099, 9495, 10110, 11394, 15165, 18198, 18990, 28485, 30330, 45495, 56970, 71107, 90990, 142214, 213321, 355535, 426642, 639963, 711070, 1066605, 1279926, 1919889, 2133210, 3199815, 3839778, 6399630, 9599445, 19198890]

約数ペア:

[(1, 19198890), (2, 9599445), (3, 6399630), (5, 3839778), (6, 3199815), (9, 2133210), (10, 1919889), (15, 1279926), (18, 1066605), (27, 711070), (30, 639963), (45, 426642), (54, 355535), (90, 213321), (135, 142214), (211, 90990), (270, 71107), (337, 56970), (422, 45495), (633, 30330), (674, 28485), (1011, 18990), (1055, 18198), (1266, 15165), (1685, 11394), (1899, 10110), (2022, 9495), (2110, 9099), (3033, 6330), (3165, 6066), (3370, 5697), (3798, 5055)]