18141849

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 30326400

約数和(自身を除く): 12184551

約数列:

[1, 3, 9, 11, 29, 33, 71, 87, 89, 99, 213, 261, 267, 319, 639, 781, 801, 957, 979, 2059, 2343, 2581, 2871, 2937, 6177, 6319, 7029, 7743, 8811, 18531, 18957, 22649, 23229, 28391, 56871, 67947, 69509, 85173, 183251, 203841, 208527, 255519, 549753, 625581, 1649259, 2015761, 6047283, 18141849]

約数ペア:

[(1, 18141849), (3, 6047283), (9, 2015761), (11, 1649259), (29, 625581), (33, 549753), (71, 255519), (87, 208527), (89, 203841), (99, 183251), (213, 85173), (261, 69509), (267, 67947), (319, 56871), (639, 28391), (781, 23229), (801, 22649), (957, 18957), (979, 18531), (2059, 8811), (2343, 7743), (2581, 7029), (2871, 6319), (2937, 6177)]