18946053

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 32947200

約数和(自身を除く): 14001147

約数列:

[1, 3, 7, 9, 21, 31, 63, 89, 93, 109, 217, 267, 279, 327, 623, 651, 763, 801, 981, 1869, 1953, 2289, 2759, 3379, 5607, 6867, 8277, 9701, 10137, 19313, 23653, 24831, 29103, 30411, 57939, 67907, 70959, 87309, 173817, 203721, 212877, 300731, 611163, 902193, 2105117, 2706579, 6315351, 18946053]

約数ペア:

[(1, 18946053), (3, 6315351), (7, 2706579), (9, 2105117), (21, 902193), (31, 611163), (63, 300731), (89, 212877), (93, 203721), (109, 173817), (217, 87309), (267, 70959), (279, 67907), (327, 57939), (623, 30411), (651, 29103), (763, 24831), (801, 23653), (981, 19313), (1869, 10137), (1953, 9701), (2289, 8277), (2759, 6867), (3379, 5607)]