19941488

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9371}}^1$

素因数の和:9405

約数の個数: 40

約数和(自身を含む): 46485120

約数和(自身を除く): 26543632

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 9371, 18742, 37484, 65597, 74968, 131194, 149936, 178049, 262388, 356098, 524776, 712196, 1049552, 1246343, 1424392, 2492686, 2848784, 4985372, 9970744, 19941488]

約数ペア:

[(1, 19941488), (2, 9970744), (4, 4985372), (7, 2848784), (8, 2492686), (14, 1424392), (16, 1246343), (19, 1049552), (28, 712196), (38, 524776), (56, 356098), (76, 262388), (112, 178049), (133, 149936), (152, 131194), (266, 74968), (304, 65597), (532, 37484), (1064, 18742), (2128, 9371)]