19450832

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{587}}^1$

素因数の和:723

約数の個数: 40

約数和(自身を含む): 40101600

約数和(自身を除く): 20650768

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 109, 152, 218, 304, 436, 587, 872, 1174, 1744, 2071, 2348, 4142, 4696, 8284, 9392, 11153, 16568, 22306, 33136, 44612, 63983, 89224, 127966, 178448, 255932, 511864, 1023728, 1215677, 2431354, 4862708, 9725416, 19450832]

約数ペア:

[(1, 19450832), (2, 9725416), (4, 4862708), (8, 2431354), (16, 1215677), (19, 1023728), (38, 511864), (76, 255932), (109, 178448), (152, 127966), (218, 89224), (304, 63983), (436, 44612), (587, 33136), (872, 22306), (1174, 16568), (1744, 11153), (2071, 9392), (2348, 8284), (4142, 4696)]