19499722

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{433}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 33747840

約数和(自身を除く): 14248118

約数列:

[1, 2, 11, 22, 23, 46, 89, 178, 253, 433, 506, 866, 979, 1958, 2047, 4094, 4763, 9526, 9959, 19918, 22517, 38537, 45034, 77074, 109549, 219098, 423907, 847814, 886351, 1772702, 9749861, 19499722]

約数ペア:

[(1, 19499722), (2, 9749861), (11, 1772702), (22, 886351), (23, 847814), (46, 423907), (89, 219098), (178, 109549), (253, 77074), (433, 45034), (506, 38537), (866, 22517), (979, 19918), (1958, 9959), (2047, 9526), (4094, 4763)]