18509876

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3163}}^1$

素因数の和:3204

約数の個数: 48

約数和(自身を含む): 42524160

約数和(自身を除く): 24014284

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 418, 532, 836, 1463, 2926, 3163, 5852, 6326, 12652, 22141, 34793, 44282, 60097, 69586, 88564, 120194, 139172, 240388, 243551, 420679, 487102, 661067, 841358, 974204, 1322134, 1682716, 2644268, 4627469, 9254938, 18509876]

約数ペア:

[(1, 18509876), (2, 9254938), (4, 4627469), (7, 2644268), (11, 1682716), (14, 1322134), (19, 974204), (22, 841358), (28, 661067), (38, 487102), (44, 420679), (76, 243551), (77, 240388), (133, 139172), (154, 120194), (209, 88564), (266, 69586), (308, 60097), (418, 44282), (532, 34793), (836, 22141), (1463, 12652), (2926, 6326), (3163, 5852)]