19521208

素因数分解:

$2^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2621}}^1$

素因数の和:2660

約数の個数: 48

約数和(自身を含む): 44836200

約数和(自身を除く): 25314992

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 49, 56, 76, 98, 133, 152, 196, 266, 392, 532, 931, 1064, 1862, 2621, 3724, 5242, 7448, 10484, 18347, 20968, 36694, 49799, 73388, 99598, 128429, 146776, 199196, 256858, 348593, 398392, 513716, 697186, 1027432, 1394372, 2440151, 2788744, 4880302, 9760604, 19521208]

約数ペア:

[(1, 19521208), (2, 9760604), (4, 4880302), (7, 2788744), (8, 2440151), (14, 1394372), (19, 1027432), (28, 697186), (38, 513716), (49, 398392), (56, 348593), (76, 256858), (98, 199196), (133, 146776), (152, 128429), (196, 99598), (266, 73388), (392, 49799), (532, 36694), (931, 20968), (1064, 18347), (1862, 10484), (2621, 7448), (3724, 5242)]