18397264

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{283}}^1$

素因数の和:547

約数の個数: 40

約数和(自身を含む): 38033280

約数和(自身を除く): 19636016

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 239, 272, 283, 478, 566, 956, 1132, 1912, 2264, 3824, 4063, 4528, 4811, 8126, 9622, 16252, 19244, 32504, 38488, 65008, 67637, 76976, 135274, 270548, 541096, 1082192, 1149829, 2299658, 4599316, 9198632, 18397264]

約数ペア:

[(1, 18397264), (2, 9198632), (4, 4599316), (8, 2299658), (16, 1149829), (17, 1082192), (34, 541096), (68, 270548), (136, 135274), (239, 76976), (272, 67637), (283, 65008), (478, 38488), (566, 32504), (956, 19244), (1132, 16252), (1912, 9622), (2264, 8126), (3824, 4811), (4063, 4528)]