18049563

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{887}}^1$

素因数の和:936

約数の個数: 48

約数和(自身を含む): 33246720

約数和(自身を除く): 15197157

約数列:

[1, 3, 7, 9, 17, 19, 21, 51, 57, 63, 119, 133, 153, 171, 323, 357, 399, 887, 969, 1071, 1197, 2261, 2661, 2907, 6209, 6783, 7983, 15079, 16853, 18627, 20349, 45237, 50559, 55881, 105553, 117971, 135711, 151677, 286501, 316659, 353913, 859503, 949977, 1061739, 2005507, 2578509, 6016521, 18049563]

約数ペア:

[(1, 18049563), (3, 6016521), (7, 2578509), (9, 2005507), (17, 1061739), (19, 949977), (21, 859503), (51, 353913), (57, 316659), (63, 286501), (119, 151677), (133, 135711), (153, 117971), (171, 105553), (323, 55881), (357, 50559), (399, 45237), (887, 20349), (969, 18627), (1071, 16853), (1197, 15079), (2261, 7983), (2661, 6783), (2907, 6209)]