18937338

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1249}}^1$

素因数の和:1299

約数の個数: 48

約数和(自身を含む): 45720000

約数和(自身を除く): 26782662

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 361, 399, 722, 798, 1083, 1249, 2166, 2498, 2527, 3747, 5054, 7494, 7581, 8743, 15162, 17486, 23731, 26229, 47462, 52458, 71193, 142386, 166117, 332234, 450889, 498351, 901778, 996702, 1352667, 2705334, 3156223, 6312446, 9468669, 18937338]

約数ペア:

[(1, 18937338), (2, 9468669), (3, 6312446), (6, 3156223), (7, 2705334), (14, 1352667), (19, 996702), (21, 901778), (38, 498351), (42, 450889), (57, 332234), (114, 166117), (133, 142386), (266, 71193), (361, 52458), (399, 47462), (722, 26229), (798, 23731), (1083, 17486), (1249, 15162), (2166, 8743), (2498, 7581), (2527, 7494), (3747, 5054)]