18403119

素因数分解:

$3^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 32614400

約数和(自身を除く): 14211281

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 189, 217, 243, 279, 349, 567, 651, 837, 1047, 1701, 1953, 2443, 2511, 3141, 5859, 7329, 7533, 9423, 10819, 17577, 21987, 28269, 32457, 52731, 65961, 75733, 84807, 97371, 197883, 227199, 292113, 593649, 681597, 876339, 2044791, 2629017, 6134373, 18403119]

約数ペア:

[(1, 18403119), (3, 6134373), (7, 2629017), (9, 2044791), (21, 876339), (27, 681597), (31, 593649), (63, 292113), (81, 227199), (93, 197883), (189, 97371), (217, 84807), (243, 75733), (279, 65961), (349, 52731), (567, 32457), (651, 28269), (837, 21987), (1047, 17577), (1701, 10819), (1953, 9423), (2443, 7533), (2511, 7329), (3141, 5859)]